The ship's freshwater system is back up and operational, the Coast Guard said, and the sewage system was restored to the forward section of the ship, but crews were still working on the rear portion of the ship Monday morning.

CNN: STORY HIGHLIGHTS

With its sunny beaches, vast system of freshwater springs and enticingly storied history, it is no wonder the myth of eternal youth lives on in the Sunshine State.

BBC: Searching for Florida��s fountain of youth

Ensure the effective participation of the Division in UN-Water, the United Nations system coordinating mechanism on freshwater issues.

UNESCO: Criteria & Requirements

The theory is relatively simple: Seawater and freshwater, filtered to remove silt, are fed into pipes which lead to a membrane system, made up of spiral coils to maximize surface area.

FORBES: Getting Power From Salty Water

In addition to containing the vast majority of the liquid freshwater on the surface of our planet, humans use lakes for more purposes than any other type of water system.

UNESCO: Summary