Transcription: In the center of the world's largest continent is a barren region with a harsh extreme climate. For thousands of years people endured these inhospitable conditions as they traveled the Silk Road to China. Great trading cities grew up between the vast Gobi Desert to the north and the mighty Himalayas in the south. The high plateau of Tibet, known as the roof of the world, looks out over the Great Plain of China. Most of China's rice is grown in the fertile river valleys of the east, but their elusive The Uvial plains are subject to devastating floods that have killed millions of people. The Yel ...
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