From March to April, Guo Jia, a reporter with People's Daily visited the Xisha Islands and Nansha Islands aboard the Dongtinghu depot ship of the PLA Navy and recorded the life of PLA soldiers who safeguard the South China Sea.

Guards of the South China Sea

Guards of the South China Sea

Yongshu Reef

The Dongtinghu depot ship

Replenishing at sea

Rotation of troops

Bidding farewell

The southernmost post office of China.