Geometry
what's below?
The field is the comparatively little and insignificant whirling ball on which we live the earth. How did our planet come into being, what is it made of, how were its mountains, oceans, rivers, plains, and valleys formed, and what's down deep if you start digging
脚下是？
我们赖以生存的地球：这个相对较小、微不足道的旋转球。我们的星球是如何形成的，它是由什么构成的，它的山脉、海洋、河流、平原和山谷是如何形成的，如果你开始挖掘，下面有什么？