Johnson South Reef Johnson South Reef Johnson South Reef (; ), also known as Chigua Reef in China, Gạc Ma Reef in Vietnam and Mabini Reef in the Philippines is a reef in the southwest portion of the Union Banks in the Spratly Islands of the South China Sea. It is controlled by the People's Republic of China (PRC), but its ownership is disputed by the PRC, the Philippines, Taiwan, and Vietnam. Johnson South Reef lies adjacent to the Vietnamese-controlled Collins Reef (also known as Johnson North Reef) which lies to the northwest. It is naturally above water only at low tide. Prior
Great Barrier Reef (TV series) Alien creatures which are rarely seen rise out of the deep ocean waters to visit the warmer waters of the reef. Weather systems also play a part with cyclones posing a great danger to animals and the reef alike. Great Barrier Reef (TV series) Great Barrier Reef is a nature documentary series exploring the wildlife of the eponymous coral reef off Australia's coast. It was presented by Monty Halls and co-produced by the BBC Natural History Unit, Discovery Channel and Digital Dimensions. The series was broadcast in three parts in the United Kingdom, where it premiered in January 2012 on