A trainee reacts as he is drenched with water during Tianjiao Special Guard Security Consultant training.

A female trainee lies on the ground after being drenched with water during Tianjiao Special Guard Security Consultant training.

Instructors kick a trainee because he wants to give up during high intensity training at Tianjiao Special Guard Security Consultant camp.

Blood drips from a student's nose as he takes part in a long-distance run.

A female student opens her cufflinks with her teeth, after crawling through mud at Tianjiao Special Guard Security Consultant camp on the outskirts of Beijing.

Students carry a female trainee who has fallen into a stupor during high intensity training at Tianjiao.

Students hold each other for warmth as they sleep during a break in between high intensity training.

Trainees practice helping their employer escape into a car at a shooting training field managed by the military.

Students holding replica 95 semi-automatic rifles practice protecting their employers at a shooting training field managed by the military during Tianjiao Special Guard Security Consultant training on the outskirts of Beijing December 14, 2013.

Students holding replica 95 semi-automatic rifles practice protecting their employers at a shooting training field managed by the military during Tianjiao Special Guard Security Consultant training on the outskirts of Beijing December 14, 2013.

A student aims a replica 95 semi-automatic rifle.

Trainees point replica pistols as they take part in a training session at the Tianjiao Special Guard Security Consultant training camp on the outskirts of Beijing.

Student Ding Kun stands guard in a villa during field training for Tianjiao Special GuardSecurity Consultant.

Bodyguards Han and Wang, who were hired from Tianjiao Special Guard Security Consultant, watch their employer Zhang and his wife play with their three-year-old son as they guard the family on the outskirts of Beijing December 14, 2013