一段时间内干旱生态系统的天空 Sky of an arid ecosystem in a timelapse

在一棵树和许多大大小小的岩石下，背景是晴朗的蓝天，干旱晴朗的生态系统中的时光流逝。

Timelapse in an arid and sunny ecosystem under a tree and many rocks of all sizes, with a clear blue sky in the background.