Exciting evidence emerges of civilizations Mất tích for centuries under the waves, from mysterious underwater pyramids off the coast of Nhật Bản to the fabled city of Atlantis itself.
An international team of scientists and explorers, lead bởi Dr Julian Bayliss, go on an extraordinary mission in Mozambique to reach a forest that no human has set foot in.
Abandoned houses hide beneath blankets of vines in the former fishing village of Houtouwan, on Shengshan, one of hundreds of islands in China's Hangzhou Bay.