It is a blazing hot expanse of rolling sand dunes under a cloudless sky. The southern region is more mountainous, with large cavern networks - some extending deep beneath the surface.

• 万里无云的天空下，它是一片充满流沙的灼热区域。大陆南部多山，山区里巨大的洞穴纵横交错，有些甚至深达地表以下。