关于这张图
AST-14-890 (18 July 1975) --- An oblique view of unique drainage patterns in southwestern Africa in the Rio Cuando area of Angola and South-West Africa, as photographed from the Apollo spacecraft in Earth orbit during the joint U.S.-USSR Apollo-Soyuz Test Project mission. The picture was taken at an altitude of 223 kilometers (138 statute miles) with a 70mm Hasselblad camera using high-definition Ektachrome aerial SO-242 type film.
