A large area of desert was reformed to turn to fertile soil in the northwest region. 在西北地区有一大片沙漠经过改良变成了肥沃的土地。
Northwest China, as well as a world famous agricultural and pastoral area, is one of the most important birthplaces of Chinese civilization. 西北地区是中华文明的重要发源地之一，也是举世闻名的农牧区。
