Introduction to Big and Small Five Wells: Big and Small Five Wells refers to the five villages in Jinggang Mountain - Dajing, Xiaojing, Zhongjing, Shangjing and Xiajing. The five villages are surrounded by mountains and mountains, which are shaped like a well, hence the name. This was one of the important places where Mao Zedong and other great men of the generation and the Red Army carried out revolutionary activities.