BIM (Building Information Model) viaduct located at kilometer point (KP) 260.757 of the Paris-East line to Mulhouse City. Results obtained from 5900 aerial images. Type: masonry vaults. Length: 654m Height: 52m Aerial photographic coverage: 5900 images. Source: Data acquisition & post processing by Drones Imaging. Camera: Sony RX100 III. Orthophoto: GSD 5mm.