At the beginning of the reform and opening up, the special geographical environment of the mountain city of Chongqing gave birth to a special industry - the mountain city great army. Climbing up the ridge, carrying more than 30 years of weight-bearing, hundreds of thousands of great army not only picked up the sweat-soaked years, but also took away their own age. At the end of the year, a few backs will soon say goodbye to the industry that is dying. A retired lieutenant colonel has set off a stick and started his own pursuit - brilliant and embarrassing, tough and helpless, their lives need not be commented, their The story is worth remembering.