- but why is this place a desert?
为什么这里会成为沙漠呢 - There is one simple and massive cause -
这里有一个简单而又重要的原因 - the Himalayas.
喜马拉雅山脉 - Clouds blowing from the south hit this gigantic barrier.
从南方过来的暖湿气流 撞上了这面巨大的屏障 - As they're forced upwards
在被迫抬升的过程中 - so they empty their moisture on the mountain slopes,
水汽在山坡上逐渐凝结 - leaving little for the land on the other side.
只有一小部分到达另一边的土地