The underwater caves of the Yucatán Peninsula are a window ... and their reach expanded. During the ice ages, the caves dried out as the sea level dropped, and the seeping water from the surface ...

Beneath the land surface of the Bahamas, the underwater caves known ... But during the last ice age when sea levels were much lower, the caves were the high-and-dry habitat for a completely ...

The fact that the last Ice Age resulted in rising sea levels was a lucky break. These caves essentially became the perfect ...