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
A sympathetic girl stands near a sign with vicious products of civilizationA sympathetic girl stands near a sign with vicious products of civilization
An f-35 fighter jet in flight against the background of a cloudAn f-35 fighter jet in flight against the background of a cloud