This could be one of the most extraordinary UFO cases in history. Witnesses from Russia and the US saw tetrahedral-pyramid UFOs hover over their capitals and recount their experiences with Jaime Maussán.
The testimonies of this great event went viral on the Russian internet and many believe that it is a political message. Jaime first interviews Dimitri, one of the witnesses to the first event that happened 10 years ago over the Kremlin. We also explore the extraordinary geometry of the tetrahedron.