Eavesdropping on outer space- search ????other civilizations have been going on for 50 years, but the results are scantyEavesdropping on outer space- search ????other civilizations have been going on for 50 years, but the results are scanty
Plateau at an altitude of 5000m with an observatoryPlateau at an altitude of 5000m with an observatory
Lightning on the background of antennas in new mexicoLightning on the background of antennas in New Mexico
A set of an archaeologist or a seeker of transformationsA set of an archaeologist or a seeker of transformations