Nestled some 650 metres (2,000 feet) beneath the waves surrounding Cuba lies one of archaeology ... it would have taken 50,000 years for ruins to sink 650 metres underwater.

Nestled some 650 metres (2,000 feet) beneath the waves surrounding Cuba lies one of archaeology ... it would have taken 50,000 years for ruins to sink 650 metres underwater.

Underwater ruins have been found at 74 sites in Shiga Prefecture’s Lake Biwako, where large-scale development projects began in the 1970s. Many of them were initially above water and were later ...