The UFO fell on Cow Mountain, attracting visitors to the Brno Observatory 24 August 2016 15:41  A major uproar caused an unknown object that collapsed on the Cow Mountain at the Observatory and Planetarium in Brno. At first glance, it looks like a flying saucer in which aliens travel. In fact, it's another of the advertising tricks that have been devised by the Observatory in recent months. 4k difuse map, alpha map, normal map, concavity map, ambient occlusion map... Photogrammetry from 207 photos.