"Singing" mountain

Among the deserts and semi-deserts of Kazakhstan it carries its waters to Lake Balkhash The Ili River. Approximately in the middle reaches of the river, on its right bank, the so-called singing mountain, composed of light yellow fine sand, will thrust out. From surrounding barkhans it differs in size, reaching a height of more than 120 m and about a half kilometer in length. Despite the fact that this "singing" mountain consists of sand, its northern slopes are so compressed by the wind that the foot of the traveler does not leave a trace here. In windy weather, when small grains start to crumble along the southern slope of the mountain, a barely audible sound comes from its depths sound. It grows rapidly, just as the singer's voice grows, and achieves such a power of sounding that sometimes for many kilometers on Ili, some go out to meet the ship, taking this sound at the whistle of the steamer.

Approximately in the middle reaches of the river, on its right bank, the so-called singing mountain, composed of light yellow fine sand, will thrust out

In rainy weather, when the moistened sand loses its ability to move freely along the slope, the "singing" mountain is usually silent, but when it descends along its southern slope, it seems to sigh.

There are many more places with "singing" sands, in particular "sings" of sands on the Kola Peninsula. A similar "singing" mountain is in the desert area of Nevada (USA). This is the largest dune in the country. Its width reaches more than 300 m, and the length - 1500 m. The shape of the mountain constantly changes depending on the direction and strength of the wind. His "concerts" "singing" the mountain gives almost all the time, starting from the second half of the day. Melodious sounds that arise in her bowels, at times resemble some fantastic cantata in the performance of a large thousand-voiced chorus, and at times - of an entire orchestra of violins or flutes.

On the Sinai Peninsula, on the very shore of the Red Sea, the "singing" Jebel-Nakuch mountain rises to 120 m, which means "mountain-bell". This name was given to the mountain due to the fact that it does "call" from time to time.

Such "musical mountains" are also known in the deserts of Africa. The reason for the "concert activity" of these extraordinary mountains is explained by scientists in different ways. Some consider this a consequence of the friction of fine grains of sand, others - the way out of the sun-warmed air from the bowels of the "singing" mountain.

The musical nature is not only sandy mountains, but even individual rocks. One of them is on the island of Kunashir, one from the Kuril Islands. Nature has given her a unique form, similar to a giant organ. Its six-sided, a few tens of meters high, "pipes", closely pressed against each other, a massive performance hanging over the Sea of Okhotsk steeply. When the storm rages, the howling wind in the cracks of this stone "singing" mountain really resembles the sound of an organ.

The rocks that "sing" are also on the shores of the South American Orinoco River. For a long time these rocks caused horror among the local Indian population. Scientists have established that such "concert" activity of stone "singing" mountains is a consequence of the action of air in the crevices of rocks. In the daytime, when the stone heats up, the air in the cracks warms up. At night, when the temperature from the outside drops sharply, the air, which is much warmer, starts to come out of the cracks. This will cause the sound of these "singing" mountains.