Guards battle isolation, danger to protect border

A border control officer distributes herbal medicine to residents of Dulongjiang township, Yunnan province, in 2011. (Photo: Xinhua)

Patrol members provide help after a mudslide in Shawa village, Yunnan, in 2014. (Photos: China Daily)

Officers repair a rope bridge in Dulongjiang in 2006.

Officers rescue tourists who fell down a cliff last year.