The most famous tourist places number one is the grand Canyon in USA

,Grand canyon is a deep groove depth and breadth ,

 is located in the northwestern part of the US state of Arizona , and crosses many of the states of America started from an extension of the It is considered one of the finest landscapes in the world. A length of 349 kilometers. The maximum depth of 1,740 meters. Great groove arose because of the Colorado River, which split its course across the plateau Alkolorado rocks during the 40 million years old,
Healing so different floor layers formed over nearly two billion years of geologic history of the Americas , which
From watching the layers of the Grand Canyon from the bottom up for he read the book
Historically the land over time which were not life on Earth nearly two billion years ago. Modesty and appeared suddenly on the ground in a simple picture , about 500 million years ago, the so-called historians of that period as the Cambrian explosion . Then life appeared
 Water in the oceans and rivers , and amphibians and reptiles , birds and dinosaurs , and finally we find in the higher classes mammals even human origins .

 Human history

Launched by the indigenous people of the houses on the Great Rift name Caio Avoa any " mountain Shakedown ." The first to arrive to this place from the Spaniards Europeans who came Jobseeker cities in the alleged 1540 gold
They spent three days on the edge of the southern groove and failed to find the corridor descend on the way to the river . A group of Boy Scouts Spaniards returned from the bottom of the valley and talked about the huge rock formations .
This was the first region in the most beautiful tourist areas in the world for the year 2015

 Grand Canyon tourism

Grand Canyon National Park is one of the world's premier natural attractions, attracting about five million visitors per year. Overall, 83% were from the United States: California (12.2%), Arizona (8.9%), Texas (4.8%), Florida (3.4%) and New York (3.2%) represented the top domestic visitors. Seventeen percent of visitors were from outside the United States; the most prominently represented nations were the United Kingdom (3.8%), Canada (3.5%), Japan (2.1%), Germany (1.9%) and The Netherlands (1.2%). The South Rim is open all year round weather permitting. The North Rim is generally open mid-May to mid-October.
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