标签： 世界 建筑 奇观

　　1.THE WORLD'S TALLEST BUILDINGS
　　Planning has been approved for the Chicago Spire, which, if it comes to fruition, will be America’s tallest building, at 610m. It is one of a new breed of soaring skyscrapers which are to dominate cities across the globe 
　　日前，芝加哥“螺旋之尖”摩天大楼的建设方案获得了政府批准，“螺旋之尖”摩天大楼全高610米，建成后将是全美最高的大楼，它也将是世界各大城市里高楼建筑的一个典范。