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The largest desert in the world ... the African Sahara

Af
rican Sahara is the largest desert in the world, is located in the continent of sub-Saharan Africa. Politically, and consists of all the African countries that fully or partially located south of the Sahara (excluding Sudan).

Contrasts with North Africa, which is part of the Arab world, Somalia, Djibouti and Comoros, Mauritania is geographically part of sub-Saharan Africa, but also part of the Arab world.

Sahel is the transition zone between the Sahara and tropical savanna (Sudan region) and savanna mosaic of forests to the south.
Since probably 5.9 kilo current year's event was separated Saharan regions and sub-Saharan Africa from extremely severe climatic conditions of the desert is sparsely populated, has been the formation of an effective barrier interrupted by only the Nile River in Sudan, despite the fact that the Nile blocked by cataracts eye of the river.

Sahara pump theory explains how plant and animal life (including human so sapiens) left Africa to penetrate the Middle East and beyond, and are associated with periods of rain African "wet desert" which stage Lakes larger and more rivers exist.

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Iguazu Falls

Iguazu Falls is made up of 20 large waterfall and 255 small waterfall stretches across 7 and 2 kilometers. Some of them up to a height of 82 meters, Ychrin their height of 64 meters. Part of the waterfalls followed by Brazil, followed by Argentina and part pour 1,500 cubic meters / second to about 7,000 cubic meters per second of water. Also called in Spanish Garganta do Diabo (or Portuguese) meaning "groove devil"; shaped like a U-shaped groove width of 150 meters and a length of 700 meters. Most of the waterfalls is located in Argentina, but the wider panorama seen from the Brazilian side. And separates Alorgen Falls Falls Brazil and several tiny islands. From along the waterfalls of 2700 meters it does not hurt part of water a width of roughly 900 meters. There are waterfalls in Argentina Iguazu National Park, as Brazil Falls is located in the Iguazu National Park (Brazil). UNESCO has annexing them to the list of World Heritage Site in 1984 (Argentina) and in 1986 for ...

Camel is the main means of transport in the desert

Camel is the main means of transport in the desert, where can carry 300 kg and transports them to a distance of 40 kilometers in one day. The camel weight between 450: 650 kg. In the winter sentences be able to survive without water for a few months and the only water that comes to him through the weeds. Camel and can lose 30% of its weight without harmed while in humans the loss of 15% of the weight can lead to death. After 5-6 days without a camel can drink to drink 200 liters of water in a few hours. The camel caravans of up to 12 000, a number of sentences was possible to see even the beginnings of the last century, but now has become a place of beauty trucks replace lost camel former importance.

Switzerland, Zermatt

Zermatt is a small tourist village located in the south of Switzerland on the border with Italy. Zermatt is characterized by its location within the Alps and is located near the famous pictures that appear on the envelopes Toblerone chocolate Mount Matterhorn. Home to the village more than 5,000 people and rises more than 1,600 meters above sea level. Zermatt famous for being one of the ski resorts on the icy slopes and visited by a large number of tourists in the winter to practice the sport. Experiencing Zermatt tourist movement in the spring and summer is also a fan of hiking to enjoy its breathtaking views. The village of Zermatt does not allow its citizens to the use of vehicles that run on petroleum derivatives for fear of environmental pollution and allow only the use of means of transport powered by electricity. Snow falls heavily in the winter, and areas available for ski length of 300 kilometers of ski trails scattered in three Ski Areas varied: Sunnegga - Rothom, Stockho...