天津，座落在华北平原，是北方重要的港口城市和经济中心，以其独特的历史韵味、现代化的都市风貌以及丰富的文化底蕴，吸引着无数人的目光。Tianjin, located on the North China Plain, is a key port ...

This silted base, the edge of the North China Plain, was built up over time by the sand carried downstream through the mountains by the Yongding River in the west and the Chaobai River in the east.

In China today, 130.04 million ha of land are cultivated, mainly on the Northeast Plain, the North China Plain, the Middle-Lower Yangtze Plain, the Pearl River Delta and the Sichuan Basin.

But it’s always changing. This is especially true on the North China Plain. From imperial times to the Maoist period to the recent reform phase, humans have tried to control the environment.