It is said that there are cliffs on the traces of water Dayu.

相传峭壁上仍有大禹治水的痕迹.

Evidence from orbit suggest past traces of water, which means the crater might once have supported life.

我们从彗星轨道上发现有少量水分的迹象，说明撞击坑可能曾经有过生命存在。