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The curve of the chains of a suspension bridge is always an intermediate curve between a parabola and a catenary, but in practice the curve is generally nearer to a parabola due to the weight of the load (i.e. the road) being much larger than the cables themselves, and in calculations the second-degree polynomial formula of a parabola is used.
While a parabolic arch may resemble a catenary arch, a parabola is a quadratic function while a catenary is the hyperbolic cosine, cosh(x), a sum of two exponential functions. One parabola is f(x) = x 2 + 3x − 1, and hyperbolic cosine is cosh(x) = e x + e −x / 2 . The curves are unrelated.
Mountaineering and other types of adventure tourism and ecotourism are important attractions for visitors. The world heritage site Lumbini , birthplace of Gautama Buddha, is located in southern Nepal, and there are other important religious pilgrimage sites throughout the country.
Cultural tourism is a type of tourism in which the visitor's essential motivation is to learn, discover, experience and consume the cultural attractions and products offered by a tourist destination. These attractions and products relate to the intellectual, spiritual, and emotional features of a society that encompasses arts and architecture ...
A tourist destination is a city, town, or other area that is significantly dependent on revenues from tourism, or "a country, state, region, city, or town which is marketed or markets itself as a place for tourists to visit". [13] It may contain one or more tourist attractions and possibly some "tourist traps".
The Oregon Vortex is a roadside attraction that opened to tourists in 1930, [1] located on Sardine Creek [2] in Gold Hill, Oregon, in the United States.It consists of a number of interesting effects, which are gravity hill optical illusions, but which the attraction's proprietors propose are the result of paranormal properties of the area.
Canton Tower, Guangzhou, China Kobe Port Tower, Kobe, Japan Cooling tower, Puertollano, Spain. This page is a list of hyperboloid structures.These were first applied in architecture by Russian engineer Vladimir Shukhov (1853–1939).
Lucy the Elephant and The Longaberger Company's head office are examples. There may be an element of caricature or a cartoon associated with the architecture. Such giant animals, fruits and vegetables, or replicas of famous buildings often serve as attractions themselves. Some are simply unusual shapes or constructed of unusual materials.