Near the Red Sea, the Sinai Peninsula, is one amazing lake. It is separated from the sea broad jumper from the fossilized shell. In the upper layers of the lake live marine fish and other representatives of the fauna, algae grow in shallow water is bluish green in color. And the amazing thing about this lake is its temperature. The surface temperature of the water almost all year round is always +16 C, at a depth of 6 meters or more, it varies from +48 C in winter to +60 C in summer. Because of this all living creatures prefer to settle in the upper layer. Differ upper and lower tiers and salinity: the top, it is 42-43 ppm, and near the bottom half saturated. There are in the world and other hot and salty lakes, but none of them has been so surprising in the distribution of salinity and temperature on the vertical.
The warmest in the country of eternal frost pond is located in Antarctica. The thickness of ice covering Lake Vanda, equal to 4 meters. Directly beneath the ice water is fresh, but deep - already salty. Even in the most severe frosts reaching -50-70 C, the temperature of the water beneath the ice does not fall below +6 C, and at the bottom (70 meters depth), it is +25-28 C, though in what some southern sea . The most surprising is that at the bottom of the lake there is no hot springs! Secret Vandy, according to scientists, is that the lake is a kind of a giant thermos. Its crystal clear and transparent waters, where there are no microorganisms are well warmed by the sun refracting sunlight through a lens of ice. Most are warm deep water, which because of its salinity, higher density and severity remain at the bottom and not mix with the upper layers.
Bosumtvi most beautiful lake located in the Republic of Ghana, in tropical African forests, 30 miles south east of the city of Kumasi. It is known as the most unpredictable body of water in the world. Bosumtvi has the shape of a regular circle, as if someone is a giant compass and cut a circle pit is dug deep about 400 meters and a diameter of 7 kilometers. Color of water in the lake blue, some where along the shores of the jungle and make way constitute a field where there are small settlements. In the lake flows into a number of mountain streams, but none of the river from it does not. Apparently, so the water level there has been increasing steadily, gradually zataplivaya located on the shore towns. But most of all Bosumtvi shocking people with his explosive temper. For many months, it keeps the peace and quiet, when suddenly exploded: in the depths of his as if a giant bubble bursts, up, take off the huge cascades of water, the lake surface seethes and rages. Gradually Bosumtvi calms down.
Because of such explosions killed many fish, and Aborigines nets collect booty. Scientists believe that the cause of the explosions are the bottom sediments, in which the decay of organic substances. Liberated gases accumulate up to a maximum limit, and then rapidly pulled out from the depths of the lake.
For geographers Bosumtvi - a real mystery. Some researchers believe that the lake formed as a result of the fall to Earth of a giant meteorite, others adhere to the hypothesis of the explosion of antimatter, without leaving behind any fragments and debris. And finally, the most plausible version - is education Bosumtvi a result of volcanic activity. It is likely that located in the mountainous area lake occupies the bottom of the cone of the volcano destroyed, existed in ancient times.