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解放初期的北京城,城区面积62.5平方公里,全城建筑面积100余万平方米(含皇城内近20万平方米),最高的民用建筑是七层的北京饭店。现在的北京城,每年的开/复工面积就达数亿平方米:国贸中心建筑群由数栋高层、超高层建筑组成,总建筑面积近120万平方米;国家大剧院16.5万平方米,三个大型演出场所位于一个巨大的壳体内;机场T3航站楼及停车场总建筑面积近120余万方米;
In the early liberation of Beijing City, the urban area of 62.5 square kilometers, the city construction area of 1000000 square meters (including imperial city nearly 200000 square meters), the highest civil construction is the seven-story Beijing hotel. Now the city of Beijing, the annual open / rework area of hundreds of millions of square meters: ITC Complex consists of several high-rise, super high-rise buildings, with a total construction area of nearly 1.2 million square meters; National Grand Theater 165,000 square meters, three A large-scale performance venue is located in a huge shell; airport T3 terminal and parking lot with a total construction area of nearly 120 million square meters;