全部 » Nature » 飞越干旱生态系统中的救济 Flying over relief in an arid ecosystem

飞越一个阳光明媚、干旱的生态系统，那里有许多山丘、树木和干草，环绕着旱地草地。

Flying over a sunny and arid ecosystem with many hills, trees and dry grass that surround a dry land meadow.