The Ruoergai grassland 若尔盖草原 is located in
the northern Sichuan 四川 bordering the
southern boundary of the basin in its upper reaches.
Meandering across the grassland is the Bai River 白河
which joins Yellow River on the top part of the picture.
In 1936, the Red Army crossed the grassland on its way north
during the famous Long March.
图片资料: 黄河水利委员会 编:《黄河风》, 黄河水利出版社, 1996.