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Reference photographs retain their own licenses. Dimension evidence from https://www.parliament.uk/about/living-heritage/building/palace/big-ben/facts-figures/, https://www.parliament.uk/mps-lords-and-offices/offices/commons/media-relations-group/news/north-dial-of-the-elizabeth-tower-revealed/ retains factual measurements; source documents are linked, not redistributed.","review":{"status":"pending","reviewer":null,"checks":{},"notes":"Automated export and source-registration checks, and multi-view studio inspection, are retained in the linked evidence. Independent rights, appearance and map integration approval remains pending.","evidence":"https://github.com/benjamintd/open-landmarks/blob/main/collection/elizabeth-tower/review-evidence.json"},"modelingNotes":["Actual OSM way/123557148 (Q41225), its 96m height and 82 mapped parts establish the geographic outline, shaft, clock stage and roof tiers. The 12m-square Parliament description refers to the main tower: the OSM outline includes projections and low annexes. Original source tags are retained.","UK Parliament facts-figures confirms four 7m dials; towers-of-parliament gives 96.3m while the facts page rounds to96m. The mapped96m tip is retained. https://www.parliament.uk/about/living-heritage/building/palace/big-ben/facts-figures/ and https://www.parliament.uk/about/living-heritage/building/palace/architecture/palacestructure/towers-of-parliament/","Individually inspected Commons Elizabeth Tower and north front by Diliff, and June2023 exterior IMG7513 show restored blue clock tracery, paired narrow lancets, horizontal courses, lower open arcade, dormers, upper belfry and gilded finial. Parliament restoration report confirms Prussian-blue hands and frames. The library pompidou-blue and invalides-gold finishes approximate those colours; clock faces are opaque pale trim, not emissive windows or textures.","The clock-stage wall is simplified by0.04m and set back0.06m to leave space for mouldings. Lancet rows, traceries, crenellation, rail posts, roof seams and abstract crockets are photo-guided inference. The four7m dials have original geometry for Roman numerals and static10:08 hands. Individual glass pieces, coats of arms, inscriptions and fine sculpture are omitted.","Both authored LODs retain all four dials, shaft rhythms, the open lower gallery, two roof tiers, eight mapped lower dormer strips, six mapped upper strips and96m finial. Low omits small tracery, coursing, dial minute ticks and most roof seams. The neighbouring Palace of Westminster is 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Landmarks; contains © OpenStreetMap contributors, ODbL-1.0; Architectural measurements from the linked official sources","kind":"observation-wheel","aliases":["Millennium Wheel","London"],"authors":["Open Landmarks contributors"],"artisticLicense":"CC-BY-4.0","spatialDataLicense":"ODbL-1.0","licenseScope":"CC BY applies to original artistic contributions only; ODbL applies to OSM-derived spatial data. Reference photographs retain their own licenses. Dimension evidence from https://www.londoneye.com/about-us/history/, https://www.londoneye.com/plan-your-visit/information-and-support/faqs/ retains factual measurements; source documents are linked, not redistributed.","review":{"status":"pending","reviewer":null,"checks":{},"notes":"Automated export and source-registration checks, and multi-view studio inspection, are retained in the linked evidence. Independent rights, appearance and map integration approval remains pending.","evidence":"https://github.com/benjamintd/open-landmarks/blob/main/collection/london-eye/review-evidence.json"},"modelingNotes":["Actual OSM way/204068874 (Q160659) supplies the wheel plane and anchor. The preserved446-part OSM authoring group supplies32 glass capsule positions and vertical intervals, rim slices, two one-sided support legs and boarding pavilion. Model envelope includes those mapped parts outside the narrow original wheel outline; it is not a filled building slab.","London Eye operator publishes135m height,120m wheel diameter and32 pods, and describes a single-sided cantilever with tension spokes and two angled legs. https://www.londoneye.com/about-us/history/ https://www.londoneye.com/plan-your-visit/information-and-support/faqs/ https://www.londoneye.com/our-company/blog/how-the-london-eye-was-built/ Source tags136.5m overall are retained unchanged; mapped vertical dimensions are scaled135/136.5 for the published height. Capsule frame at the highest mapped pod completes the135m tip.","Individually inspected Commons north-bank exterior and capsule close-up establish the triangular white rim truss, paired cable spoke planes, one-sided axle support, oval level capsules with transverse frame hoops, paired outside capsule cradles and low boarding canopy. Canonical32-pod configuration is modeled; the operator FAQ notes a temporarily removed pod for refurbishment, so this is not a claim about the operating fleet on a particular day.","Inference: rim chord radii60 and58.6m, tube radii.18-.34m, wire radius.065m, hub shoulder profile, capsule ellipsoid and hoop thickness, and omitted concealed portions of the23m spindle. The two support axes are fitted between mapped base slices and the axle; their source positions are retained. Tube sections and low-LOD wires are enlarged slightly for map readability.","Both authored LODs retain32 level pods, full open wheel, two spoke planes, triangular rim, cantilever legs and boarding platform. Low reduces curved sections and capsule hoops. Glazing is opaque libraryglass without photographic textures; seats, passengers, signs, branding, river water and interior machinery are omitted."],"source":{"url":"/objects/6ba173ef3a84776a82df98568e2592e528120367f819bb1f53faf3462eb016a7/source.blend.gz","bytes":810143,"sha256":"6ba173ef3a84776a82df98568e2592e528120367f819bb1f53faf3462eb016a7"},"spatialSource":{"url":"/objects/a839165b11f63c15d4ad101281e4fbfde794bf43506185356fc5c3191597b9d1/spatial-source.json","bytes":259457,"sha256":"a839165b11f63c15d4ad101281e4fbfde794bf43506185356fc5c3191597b9d1"},"preview":{"url":"/objects/e00026ec61e7285440156ffcd4b966a331742d7f78db390d1d5cb97478243920/preview.webp","bytes":37606,"sha256":"e00026ec61e7285440156ffcd4b966a331742d7f78db390d1d5cb97478243920"},"previewDirection":[-2,0.7,-0.1],"wikidata":"Q160659","revision":"630cc43535a4d4086917c767925405d11b8682f94f285367139c9f1404d8fe81","publicationRevision":"9e762d5406a3f1e1e7c97c6ee5ab28481713f9b2951af8a6bee17eb4f771a3c0","bounds":[-0.11986079999999992,51.5027354,-0.11907939999998766,51.5039478],"approved":false,"materialLibrary":{"schemaVersion":1,"sha256":"7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd","url":"/materials/7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd.json"},"metadata":"/assets/london-eye/9e762d5406a3f1e1e7c97c6ee5ab28481713f9b2951af8a6bee17eb4f771a3c0/asset.json","validation":"/assets/london-eye/9e762d5406a3f1e1e7c97c6ee5ab28481713f9b2951af8a6bee17eb4f771a3c0/validation.json"},{"id":"nelsons-column","name":"Nelson's Column","anchor":[-0.12792960922045085,51.50775729907043],"heading":0,"units":"metres","axes":"X east / Y up / Z south","minZoom":15,"detailZoom":17,"lods":{"low":{"url":"/models/nelsons-column/71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee/low.glb","bytes":64600,"sha256":"71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee","triangles":2848,"gzip":{"url":"/models/nelsons-column/71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee/low.glb.gz","bytes":31435,"sha256":"90bd9c0bd1447ef4ae5ae4b80a9a59cb4cdd2f0fcb19f8e7b6e5280954d06f93","encoding":"gzip-file"}},"detail":{"url":"/models/nelsons-column/a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08/detail.glb","bytes":293112,"sha256":"a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08","triangles":13352,"gzip":{"url":"/models/nelsons-column/a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08/detail.glb.gz","bytes":143959,"sha256":"bc23ecd960414c19e4baf35a1fde1f1890776c9d03308e17d538a92e8c76d2f8","encoding":"gzip-file"}}},"triangles":13352,"boundsBlenderM":[[-14.947344779968262,-14.652567863464355,0],[14.900065422058105,14.98655891418457,51.599998474121094]],"entranceLights":[],"replacementFootprint":{"type":"Polygon","coordinates":[[[-0.1278729,51.5078444],[-0.127828,51.507892],[-0.1277924,51.507879],[-0.1278374,51.5078314],[-0.1277896,51.5077219],[-0.127715,51.5076942],[-0.1277366,51.5076716],[-0.1278113,51.5076993],[-0.1279876,51.5076692],[-0.1280254,51.5076256],[-0.1280613,51.5076377],[-0.1280235,51.5076813],[-0.1280718,51.5077917],[-0.1281449,51.5078181],[-0.128124,51.5078406],[-0.1280508,51.5078142],[-0.1278729,51.5078444]]]},"basemapReplacement":null,"additionalOsm":[],"rightsStatus":"review-required","geometryStatus":"draft","attribution":"Open Landmarks; contains © OpenStreetMap contributors, ODbL-1.0; Architectural measurements from the linked official sources","aliases":["Nelson’s Column","Trafalgar Square","London"],"authors":["Open Landmarks contributors"],"artisticLicense":"CC-BY-4.0","spatialDataLicense":"ODbL-1.0","licenseScope":"CC BY applies to original artistic contributions only; ODbL applies to OSM-derived spatial data. Reference photographs retain their own licenses. Dimension evidence from https://historicengland.org.uk/listing/the-list/list-entry/1276052?section=official-list-entry, https://www.london.gov.uk/who-we-are/city-halls-buildings-and-squares/trafalgar-square retains factual measurements; source documents are linked, not redistributed.","review":{"status":"pending","reviewer":null,"checks":{},"notes":"Automated export and source-registration checks, and multi-view studio inspection, are retained in the linked evidence. Independent rights, appearance and map integration approval remains pending.","evidence":"https://github.com/benjamintd/open-landmarks/blob/main/collection/nelsons-column/review-evidence.json"},"modelingNotes":["Actual OSM way/150920358 (Q842089) supplies the complete stepped plinth outline; eight original building parts supply tiers1.7,2.7,3.7,4.7,14m, shaft plan and43-44m capital. The source outline lacks a height; total51.6m comes from the separate mapped Nelson statue way/1222903661 with min_height46m, retained under sculptures.","Historic England entry1276052 confirms stepped granite plinth, four bronze battle reliefs, fluted granite column, bronze Corinthian capital, stone Nelson and four Landseer lions. https://historicengland.org.uk/listing/the-list/list-entry/1276052?section=official-list-entry City Hall describes the statue as5m rounded; the mapped5.6m upper interval includes its supporting podium.","Individually inspected Commons full monument view and August2024 close pedestal/lion view establish the taper, plinth coursing, capital profile, uniformed standing Nelson with bicorne and outward-facing reclining lions. The four lion positions,1.7m bottom and5m top come from original OSM nodes346364635,346364721,346364767,346364819.","The32m OSM14-46 shaft interval includes the capital: the fluted shaft stops43m, bronze leaves/volutes occupy43-46m, and Nelson plus support occupy46-51.6m. Twenty-four flutes, slight taper, collar mouldings, leaf and volute counts, lion body shapes and battle relief masses are photographic inference. Faces, inscriptions, medals and literal sculpture likeness are omitted.","Both LODs retain mapped tiers,24 flutes, the Corinthian silhouette, four original abstract reclining lions and Nelson. Low reduces curved tessellation and omits fine capital leaves, masonry joints and miniature relief figures. No surrounding square pavement or unrelated monuments are 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Landmarks; contains © OpenStreetMap contributors, ODbL-1.0; Architectural measurements from the linked official sources","previewCompanions":[{"id":"elizabeth-tower","offsetBlenderM":[7.850604971380049,149.4430482060422,0]}],"aliases":["Houses of Parliament","Westminster Palace","London"],"authors":["Open Landmarks contributors"],"artisticLicense":"CC-BY-4.0","spatialDataLicense":"ODbL-1.0","licenseScope":"CC BY applies to original artistic contributions only; ODbL applies to OSM-derived spatial data. Reference photographs retain their own licenses. Dimension evidence from https://www.parliament.uk/about/living-heritage/building/palace/architecture/palacestructure/victoria-tower/, https://www.parliament.uk/about/living-heritage/building/palace/architecture/palacestructure/towers-of-parliament/, https://www.parliament.uk/about/living-heritage/building/cultural-collections/archives/victoriatower/purposebuilthome/ retains factual measurements; source documents are linked, not redistributed.","review":{"status":"pending","reviewer":null,"checks":{},"notes":"Automated export and source-registration checks, and multi-view studio inspection, are retained in the linked evidence. Independent rights, appearance and map integration approval remains pending.","evidence":"https://github.com/benjamintd/open-landmarks/blob/main/collection/palace-of-westminster/review-evidence.json"},"modelingNotes":["Actual OSM relation/1567699 (Q62408) provides the main palace and ten courtyard holes. Adjoining way/367642689 Victoria Tower and way/367642704 Westminster Hall complete the visible ensemble. All405 mapped parts and original tags remain in the packet. Existing Elizabeth Tower is excluded and stays separately registered to its original anchor.","UK Parliament gives Victoria Tower98.5m, Central Tower91.4m, and approximately120m to the flagstaff summit. The source has96m Victoria stone pinnacles,78m Central tip, and120m flagstaff. Original tags remain unchanged: four Victoria pinnacle tops are raised2.5m, and the central octagonal spire uses the published91.4m tip. Overall120m includes the flagstaff. Sources: https://www.parliament.uk/about/living-heritage/building/palace/architecture/palacestructure/victoria-tower/ https://www.parliament.uk/about/living-heritage/building/palace/architecture/palacestructure/towers-of-parliament/ https://www.parliament.uk/about/living-heritage/building/cultural-collections/archives/victoriatower/purposebuilthome/","Individually inspected Yair Haklai river panorama, Tristan Surtel northwest view, LittleRoamingChief2024 Victoria Tower exterior and Jordiferrer2017 entrance close-up show the repeated Gothic bays, river pavilions and pinnacles, steep Hall roof, central stone spire, Victoria triple windows, crenellation and open Sovereigns Entrance. Temporary scaffolding and construction hoardings are excluded; this depicts the permanent architecture.","Source polygons control closed wall levels and all roof plans. Plans sharing a wall interval are unioned before extrusion; source roofs are closed by their mapped gables and supporting wall caps and preserve mapped min_height passages. The narrow Victoria porch is built from its mapped lower plans, not a solid bounding rectangle. Missing roof:shape is interpreted as flat when no rise is mapped. Hips and mansards use documented setback profiles, while the Hall and wings retain actual gabled roofs.","Photo-guided inference: window rows and mullions, cornice courses, parapet crenellation, roof ridge caps, Hall buttresses and rose window, lean Gothic surrounds and small finials. Central drum50-53.5m is bridged inside its mapped upper octagon to make a continuous tower. Fine heraldry, figurative sculpture, inscriptions, flag fabric, trees and interiors are omitted. Both authored LODs retain all principal roof zones and tower silhouettes; low omits mapped ornaments smaller than5m2 below40m, reduces window bays and cornices, and omits buried ground soffits. A0.2mm glazing margin protects wall-edge coverage after float32 export. Four Victoria roof slopes face inward toward the crown, inferred from the retained photographs where roof:direction is absent."],"source":{"url":"/objects/0ea131867164cfb8115c4980bb3c12f9cd2be61ff00a66052a48c4a7b1c1c205/source.blend.gz","bytes":758247,"sha256":"0ea131867164cfb8115c4980bb3c12f9cd2be61ff00a66052a48c4a7b1c1c205"},"spatialSource":{"url":"/objects/af051d891416de3745fb82eb84dfbef9417dd82bf82706e1e60723b7391a0214/spatial-source.json","bytes":320855,"sha256":"af051d891416de3745fb82eb84dfbef9417dd82bf82706e1e60723b7391a0214"},"preview":{"url":"/objects/21dfbdec321b7c6ae1d5238f14b403c1bd590f3901c0d6522bcf57ac0ebb5182/preview.webp","bytes":11890,"sha256":"21dfbdec321b7c6ae1d5238f14b403c1bd590f3901c0d6522bcf57ac0ebb5182"},"previewDirection":[2,0.9,-0.7],"wikidata":"Q62408","revision":"601479b75470f7b8310288036a80e78c2f4dc2faa421e32fe2e837f1d9ac2332","publicationRevision":"9a294063534c355ae32e1bd4a22601f480997bb5972ccdf770420a1e5e5fb066","bounds":[-0.1256483,51.4981306,-0.1236527,51.5006438],"approved":false,"materialLibrary":{"schemaVersion":1,"sha256":"7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd","url":"/materials/7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd.json"},"metadata":"/assets/palace-of-westminster/9a294063534c355ae32e1bd4a22601f480997bb5972ccdf770420a1e5e5fb066/asset.json","validation":"/assets/palace-of-westminster/9a294063534c355ae32e1bd4a22601f480997bb5972ccdf770420a1e5e5fb066/validation.json"}]}