Flooded Kingdoms of the Ice Age - Japan's Lost Lands

Graham Hancock travels to the underwater site at Yonaguni in Japan that he has been studying in his hunt for signs of ice age inhabitation. Best-selling, yet controversial author Graham Hancock scours the seas in a bid to find evidence of a lost civilisation in this new series, Underworld. At the end of the last Ice Age, huge areas of land were submerged by rising sea levels - the same areas that are likely to have been inhabited by man. But archaeologists have concentrated their search for past...