[ahi]

That's the Gobi desert. There isn't a whole lot of water to treat, let alone polluted water. It looks like salt production on a truly massive scale.

[tokenadult]

That's not the Gobi desert. It's in Eastern Turkestan, not in Mongolia.

[kongqiu]

Taklamakan Desert. Looks like they're mining something...

[jonhendry]

Mummies!