boundless sea of sand - the familiar landscape of the desert.It is hard to imagine a less fit place to live than this.And yet, even here, live animals and people, accustomed not only to the unimaginable heat, but also to the liking of the changeable wasteland.
And speaking of the desert, you can not lose sight of the phenomenon of dune.What is the dune, it would seem easy to imagine.But even he can conceal the amazing secrets, knowledge of which is essential for survival in the wilderness.
So dune - what is it?
to start sort out the information that gives us a geographic community.So, on the basis of their data, dune - this is a huge accumulation of sand, which subsequently forms a hill or small mountain.Dune always has a curved shape, somewhat resembling a sickle or crescent.But the dune is formed?What is it, and what laws exist?
In fact, everything is very simple.Dune is formed due to blowing of the wind, which surpasses the grains of sand from one place to another.This action is reminiscent of the movement of water in the oceans, with its ripples and waves.If, after closure of the wind sea surface becomes smooth again, in the desert all different.When it is calm, everything freezes in place, as if time stood still, and does not want to move on.
Life in the sandy wasteland
People living in the desert, often forced to lead a nomadic life.Even if their homes are located within the same oasis, they still need to somehow obtain food, resources and medicines.Therefore, from time immemorial, they are engaged in trade between settlements, performing multi-kilometer route through the desert.
That is why they are well aware that this dune, and how tricky it can be.After all, unlike the usual hill dune not stand in one place.Under the influence of strong winds, he wanders from place to place, which greatly complicates the life of trackers.That is why the inhabitants of the desert, from early childhood studying the laws by which moving dunes.Otherwise, as they then develop open spaces of the desert?
Barkhans: harsh and a bit dramatic
But they see the residents of East dune?What is the dune for them: a stern foe or a silent companion on the road?I guess it all depends on the person and how he sees the world.After all, some complain of fate, while others take it calls, with head held high.
The same applies to the dunes.Some see them as enemies, and someone finds them beautiful.After all, when the sand under your feet swiftly crumbles down, it seems that the dunes start singing.And this song captivates those who gave their hearts endless horizons of the desert.
