Wearing protective masks and snorkels, 25 swimmers from around the world swam the salty waters of Israel's Dead Sea in a bid to draw attention to its environmental deterioration.

If you've been to the Dead Sea, you know just how hot it can get there. However, in that hot place there's a natural phenomenon that was the inspiration for Israeli company Advantix's energy-efficient air conditioning technology.

Ari Fruchter, the Israeli behind Spencer Tunick's 2011 mass nude Dead Sea photograph, is onto his next ambitious endeavor: A gourmet salt harvested from the Dead Sea, that will not only be healthy, but also promote peace.