Gansu, located in the northwest of China, the Yellow River crosses Lanzhou, dividing the land into the east and the west of the river, a narrow corridor of about 1,000 kilometers squeezed by the mountains to the south and north, and a slice of oasis, linking the Central Plains and the outside of the country. Our flight starts from central Gansu, encountering a different kind of Loess Plateau. Through the tunnel of time and space, overlooking the past and present of farming civilization, downstream to see how a large river changes color, and finally meet an ancient city by chance.
甘肃，位于中国的西北部，黄河穿越兰州，将这片土地划分为河东与河西，一南一北的山脉挤压出一条约1000公里的狭长走廊，片片绿洲，勾连着中原与塞外。我们的飞行之旅从甘肃中部开启，邂逅别样的黄土高原。穿越时空隧道，俯瞰农耕文明的过去与现在，顺流而下看一条大河如何变换色彩，最后与一座古城不期而遇。
