Time : 2021-06-04 21:34:04
Điểm: 9/10
The Mojave Desert in the southwest of the United States is the driest region in North America .Despite the scarcity of water a big city thrives here. With its elaborate fountains and more than 50 golf courses Las Vegas is synonymous whith extravagance even whwn it comes to water. Here the precious resource comes almost entirely from the Colorado river . It flows down from the Rocky mountains into Lake Mead a huge man-made reservoir behind the Hoover Dam.

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