金门大桥 悉尼歌剧院 大本钟 埃菲尔铁塔 的英文资料

埃菲尔铁塔的：

Eiffel Tower, wrought-iron tower in Paris, a landmark and an early example of wrought-iron construction on a gigantic scale. It was designed and built by the French civil engineer Alexandre-Gustave Eiffel for the Paris World's Fair of 1889. The tower, without its modern broadcasting antennas, is 300 m (984 ft) high. The lower section consists of four immense arched legs set on masonry piers. The legs curve inward until they unite in a single tapered tower. Platforms, each with an observation deck, are at three levels; on the first is also a restaurant. The tower, constructed of about 6300 metric tons (about 7000 tons) of iron, has stairs and elevators. A meteorological station, a radio communications station, and a television transmission antenna, as well as a suite of rooms that were used by Eiffel, are located near the top of the tower.

金门大桥的：

Golden Gate Bridge

The orange towers of the Golden Gate Bridge-probably the most beautiful, certainly the most photographed bridge in the world-are visible from almost every point of elevation in San Francisco. The only cleft in Northern California's 600-mile continental wall, for years this mile-wide strait was considered unbridgeable. As much an architectural as an engineering feat, the Golden Gate took only 52 months to design and build, and was opened in 1937. Designed by Joseph Strauss, it was the first really massive suspension bridge, with a span of 4200ft, and until 1959 ranked as the world's longest. It connects the city at its northwesterly point on the peninsula to Marin County and Northern California, rendering the hitherto essential ferry crossing redundant, and was designed to withstand winds of up to a hundred miles an hour and to swing as much as 27ft.

悉尼歌剧院的：

Sydney Opera House must be one of the most recognisable images of the modern world - up there with the Eiffel Tower and the Empire State Building - and one of the most photographed.

Not only is it recognisable, it has come to represent 'Australia'.

Although only having been open since 1973, it is as representative of Australia as the pyramids are of Egypt and the Colosseum of Rome.

The Opera House is situated on Bennelong Point, which reaches out into the harbour. The skyline of the Sydney Harbour Bridge, the blue water of the harbour and the Sydney Opera House, viewed from a ferry or from the air, is dramatic and unforgettable.

Ironic, perhaps, that this Australian icon - the Opera House with a roof evocative of a ship at full sail - was designed by renowned Danish architect - J?rn Utzon.

In the late 1950s the NSW Government established an appeal fund to finance the construction of the Sydney Opera House, and conducted a competition for its design.

Utzon's design was chosen. The irony was that his design was, arguably, beyond the capabilities of engineering of the time. Utzon spent a couple of years reworking the design and it was 1961 before he had solved the problem of how to build the distinguishing feature - the 'sails' of the roof.

Sydney Opera House from the harbour, photo courtesy of Andrew Watts

The venture experienced cost blow-outs and there were occasions when the NSW Government was tempted to call a halt. In 1966 the situation - with arguments about cost and the interior design, and the Government withholding progress payments - reached crisis point and J?rn Utzon resigned from the project. The building was eventually completed by others in 1973.

Sydney Opera House facts and figures

The Sydney Opera house:

Was designed by Danish architect J?rn Utzon.

Was opened by Queen Elizabeth II on 20 October 1973.

Presented, as its first performance, The Australian Opera's production of War and Peace by Prokofiev.

Cost $AU 102,000,000 to build.

Conducts 3000 events each year.

Provides guided tours to 200,000 people each year.

Has an annual audience of 2 million for its performances.

Includes 1000 rooms.

Is 185 metres long and 120 metres wide.

Has 2194 pre-cast concrete sections as its roof.

Has roof sections weighing up to 15 tons.

Has roof sections held together by 350 kms of tensioned steel cable.

Has over 1 million tiles on the roof.

Uses 6225 square metres of glass and 645 kilometres of electric cable.

大本钟的

Big Ben is one of London's best-known landmarks, and looks most spectacular at night when the clock faces are illuminated. You even know when parliament is in session, because a light shines above the clock face.

The four dials of the clock are 23 feet square, the minute hand is 14 feet long and the figures are 2 feet high. Minutely regulated with a stack of coins placed on the huge pendulum, Big Ben is an excellent timekeeper, which has rarely stopped.

The name Big Ben actually refers not to the clock-tower itself, but to the thirteen ton bell hung within. The bell was named after the first commissioner of works, Sir Benjamin Hall.

This bell came originally from the old Palace of Westminster, it was given to the Dean of St. Paul's by William III. Before returning to Westminster to hang in its present home, it was refashioned in Whitechapel in 1858. The BBC first broadcast the chimes on the 31st December 1923 - there is a microphone in the turret connected to Broadcasting House.

During the second world war in 1941, an incendiary bomb destroyed the Commons chamber of the Houses of Parliament, but the clock tower remained intact and Big Ben continued to keep time and strike away the hours, its unique sound was broadcast to the nation and around the world, a welcome reassurance of hope to all who heard it.

There are even cells within the clock tower where Members of Parliament can be imprisoned for a breach of parliamentary privilege, though this is rare; the last recorded case was in 1880.

The tower is not open to the general public, but those with a "special interest" may arrange a visit to the top of the Clock Tower through their local (UK) MP.

Eiffel Tower, wrought-iron tower in Paris, a landmark and an early example of wrought-iron construction on a gigantic scale. It was designed and built by the French civil engineer Alexandre-Gustave Eiffel for the Paris World's Fair of 1889. The tower, without its modern broadcasting antennas, is 300 m (984 ft) high. The lower section consists of four immense arched legs set on masonry piers. The legs curve inward until they unite in a single tapered tower. Platforms, each with an observation deck, are at three levels; on the first is also a restaurant. The tower, constructed of about 6300 metric tons (about 7000 tons) of iron, has stairs and elevators. A meteorological station, a radio communications station, and a television transmission antenna, as well as a suite of rooms that were used by Eiffel, are located near the top of the tower.

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