五星红旗和五环旗帜，终于同时在北京上空冉冉升起，在鸟巢上空高高飘扬起来。
B-Thing I-Thing I-Thing I-Thing O B-Thing I-Thing I-Thing I-Thing O O O O O O B-Location I-Location I-Location I-Location O O O O O O B-Location I-Location I-Location I-Location O O O O O O O