Workers have been busy in the daily patrolling, water monitoring, artificial fish reef arrangement, and other underwater tasks as the marine ranch at Wuzhizhou Island, a 5A tourist resort in Sanya, resumed work on March 27.
Artificial fish reefs can help increase the number of fish species and their quantity. More than 120 species of coral, shellfish, and algae are attached to the artificial fish reefs at the marine ranch at Wuzhizhou Island.
A staff member performs their daily underwater patrol at the marine ranch at Sanya's Wuzhizhou Island on March 28. [Photo by Yang Guanyu/Xinhua]
A worker cleans the monitoring facilities installed underwater at the marine ranch at Sanya's Wuzhizhou Island on March 28. [Photo by Yang Guanyu/Xinhua]
A worker installs an artificial fish reef at the marine ranch at Sanya's Wuzhizhou Island on March 28. [Photo by Yang Guanyu/Xinhua]
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Overview
Haikou 
Sanya 
