Micronesia

It consists of over 2,000 small islands in the Pacific Ocean, north of Papua New Guinea, east of the Philippines and calls himself "The Underwater Paradise" ·

"In one of the lakes located between the islands, a unique phenomenon happens in the world. It is a saltwater lake where jellyfish have been maintained and the lack of predators have lost their stinging cells. With no food in the lake, allowed to grow algae on them and have food and also to require light for growth of these algae, move in search of sunlight, so that the concentration of jellyfish is unique in the world. "according to the site of Tourism Agua.com Under Water.