11.The south tower begins to collapse as smoke billows from both towers of the World Trade Center, in New York, on Sept. 11, 2001. In one of the most horrifying attacks ever against the United States, terrorists crashed two airliners into the World Trade Center in a deadly series of blows that brought down the twin 110-story towers.
2001年9月11日的纽约,世贸双塔浓烟滚滚,之中的南塔轰然倒塌 。这是有史以来对美国最惨烈的恐怖袭击之一,恐怖分子劫持两架客机作出自杀式袭击,导致两座110层高的塔楼崩塌碎体 。