At the source of the Lancang River, they guard the mountains and rivers

On January 29, Ciding (left) and Gengga were patrolling in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

As usual, Ciding and Gengga climbed over mountain ridges, walked through meadows, and patrolled the ecology.This is the core area of Lancang River Source Park in Sanjiangyuan National Park. They are herdsmen, ecological managers, and photographers who record the mountains, waters, and wildlife of their hometown.

On January 29th, Gengga was patrolling in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

On January 29, Ciding (left) and Gengga were inspecting photos taken during their patrol in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

In Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province, Ciding took photos during patrol (taken on August 9, 2025, drone photo).

On January 29th, in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province, Ciding was on patrol.

On January 29, in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province, Ciding took photos during a patrol.

On January 29, Gengga was on patrol in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

On January 29, Ciding (right) and Gengga were patrolling in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

On January 29, in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province, Geng Ga (left) was teaching his niece how to recognize animals.

On January 29, Ciding (left) and Gengga were preparing to use drones during a patrol in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

On January 29, Ciding checked the snow leopard photos he had taken earlier at his home in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province.

On January 29, Ciding (right) and Gengga were patrolling in Angsai Township, Zaduo County, Yushu Tibetan Autonomous Prefecture, Qinghai Province (drone photo).