BEIJING (PTI): Amid maritime disputes with countries like the Philippines over the resource rich islands in the South China Sea, China has put them under active three-dimensional surveillance.
China has adopted three-dimensional (3D) visual management over 4,000 islands, a report by the Ministry of Land and Resources said Thursday.
Three-dimensional visual information of these islands is collected via ground vehicles, airplanes and satellites.
Also 2,851 islands have been put under aviation monitoring and surveillance, and 45 islands along baseline points of China's territorial waters are under ground watch, the report said.
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