Discover key moments from history and stories about fascinating people on the official BBC Documentary channel: http://bit.ly/BBCDocs_YouTube_Channel The Yellow River, China's second largest river, carries billions of tonnes of sediment from the fertile Loess Plateau eastwards to the crop fields of the Chinese Heartland. Today, this raging river is responsible for half of China's wheat production. Great clip from BBC documentary series Wild China. Subscribe to the BBC Worldwide channel: http://bit.ly/yqBWhy Check out the Wild China playlist: http://bit.ly/yec3ou This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: https://www.bbcstudios.com/contact/contact-us/