A total of 13 observation buoys have been identified in the Yellow Sea, a map by Yonhap News Agency shows. Three of these buoys, installed in May 2023, were recently detected by South Korea.

China's Agriculture Ministry last updated its fishing moratorium regulations in 2023, placing a ban on fishing in the Bohai Sea and parts of the Yellow Sea from May 1 to September 1 each year.

One of the large steel structures installed by China in the Korea-China Provisional Measures Zone (PMZ) in the Yellow Sea. Installed in 2022, China claims it is a deep-sea aquaculture management ...

A buoy in the Yellow Sea that China says is for meteorological observation.© South Korean Navy The Chinese multistory oil rig in the Yellow Sea, complete with lifeboats and a helipad.© CSIS ...

China has installed large steel cages and a former oil drilling rig in the Yellow Sea, raising concerns in South Korea that they could be used for military purposes.