And it's because these water towers.

就是因为这些水塔。

So these water towers are keystone to our future.

因此，这些水塔也成为了我们未来的基石。

So there you can see the completed toilets, the water towers.

这里，你能看到完成的厕所和水塔。

That's why the Hindu Kush Himalaya mountains are also called the " water towers of Asia."

这就是兴都库什喜马拉雅山脉也被称为“亚洲水塔” 的原因。