Dangerous work and hard decisions

Two years ago, Wang Fei was a typical middle school student - an aspiring fashionista, who enjoyed Korean movies and hanging out with friends.

Fast forward to today, and the 20-year old police officer at the Mukang border checkpoint in Mangshi city, Yunnan province, has taken a crash course in drug law enforcement, covering everything from vehicle inspections to apprehending suspects.

The worst part of her job used to be performing cavity searches and extracting drugs swallowed by "mules".