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Giant Structures（巨型建筑） It is an impossible task to select the most amazing wonders of the modern world since every year more 1 constructions appear. Here are three giant structures which are worthy of our 2 although they may have been surpassed by some more recent wonders. The Petronas Twin Towers1 The Petronas Towers were the tallest buildings in the world when they were completed in 1999. With a 3 of 452 metres, the tall twin towers, like two thin pencils, dominate the city of Kuala Lumpur2. At the 41st floor, the towers are linked by a bridge, symbolizing a gateway to the city. The American 4 Cesar Pelli designed the skyscrapers. Constructed of high-strength concrete, the building provides around l, 800 square metres of office space 5 every floor. And it has a shopping centre and a concert hall at the base. Other 6 of this impressive building include double-decker lifts, and glass and steel sunshades. The Millau Bridge3 The Millau Bridge was opened in 2004 in the Tarn Valley, in southern France. 7 the time it was built, it was the worlds highest bridge, 8 over 340m at the highest point. The bridge is described as one of the most amazingly beautiful bridges in the world. It was built to 9 Millaus congestion problems. The congestion was then caused by traffic passing from Paris to Barcelona in Spain. The bridge was built to withstand the 10 extreme seismic and climatic conditions. Besides, it is guaranteed for 120 years! | 
