Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Ren Junchuan)

Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Ren Junchuan)

Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Lian Zhen)

Militiamen attend a camel-back field training in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Ren Junchuan)

Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Liu Lei)

Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Ren Junchuan)

Militiamen attend a camel-back field training along with border police officers and local herdsmen in the north of the Badain Jaran Desert in Araxan Right Banner of north China's Inner Mongolia Autonomous Region, Oct. 15, 2020. (Xinhua/Lian Zhen)