A high - altitude plateau 5000 meters above sea levelA high - altitude plateau 5000 meters above sea level
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
Macro photography of a butterfly on a green backgroundMacro photography of a butterfly on a green background
The back of a blue car driving off into the sunsetThe back of a blue car driving off into the sunset