Golden Gate Bridge

Bridge "Golden Gate" connects the two banks of the same name Strait, which is the entrance to the largest natural harbor in the world. The width of the strait here - about three miles, and the need to build the bridge itself prompted geography. Because the first draft appeared in a hundred years before construction began. The date bookmark Golden Gate Bridge is considered to be January 5, 1933. Pedestrian bridge was opened on 27 May 1937, a day later it raced on cars.

Bridge "Golden Gate" has long been considered the "eighth wonder of the world." In the calculations of its design does not use any computers except for calculators and slide rules. The total length of the bridge - 2730 meters, and the length of the central span - 1280 feet. This was surpassed only twenty years later. Even when the tide rises on the bridge supports 227 meters above the water. The thickness of the main rope, which hung on a bridge - 93 cm Each of them is twisted out of 27,572 wires. A pile load of 95 tons on each cable.

Golden Gate Bridge is no accident orange-red color. First of all, this is the paint contains lead, a lot that can protect steel from corrosion. Second, because of the constant fog bridge should be visible from a distance so as not to interfere with safe navigation. At the time, leadership of the Navy U.S. even offered to paint the bridge in yellow and put on his black stripes. Fortunately, a color not found a bee fans.

Location: California

Nature Reserves and National Parks of America:

In the Cordillera hosted numerous national parks and conservation areas are open to tourists. Familiarity with them makes it possible to present all the different nature of the Mountain West, USA.

Yellowstone National Park, National Park "Sequoia," National Park "Lassen Volkanik," National Park "Crater Lake", "Death Valley", "Joshua Tree", "White Sands" National Park "Petrifayd Forest" (" Stone forest '), the National Park "Bedlends" ("bad lands"), the National Parks of the "Great Smoky Mountains" and "Shenandoah," National Park "Everglades", etc.

One of the largest U.S. National Park - Reserve "Yellow Stone" ("Yellow Stone") is located in northwestern Wyoming. This geological wonder of nature with 200 geysers, stunning riot of colors, canyons, releasing clouds of steam sulfur springs.

Grand Canyon National Park - the most famous nature reserve area in the U.S. 1.2 million acres. Grand Canyon - one of the most unusual geological sites on our planet, so it is very well researched. It is possible to find four geological era of the Earth, a variety of rocks and caves containing extensive geological, biological and archaeological material. Flora and fauna of the reserve includes 1,500 species of plants, 355 species of birds, 89 species of mammals, 47 species of reptiles, 9 amphibians and 17 species of fish!

The most popular tour of the Grand Canyon by helicopter and rafting down the Colorado to the places where the river enters the plain

Location: Arizona

National Park, "Bryce Canyon" (Utah) - a huge basin filled with columns, steeples, "fingers" of the most incredible forms and delicate colors.Red, pink and white sandstone, cut by incredibly.

Interweaving colors, superimposed on an unrealistic figure.

National Park "Rocky Mountain" - a favorite summer resort of Americans.

Routes to suit all tastes - to the lakes, and waterfalls, on the top.

The fauna of the park is very diverse - herds of deer just outside the entrance to the park, near the road, deer, American prairie dogs, cougars, black bears, jackals, foxes.

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