因为它不仅具有历史教育功能，还担负着宣传党和国家政策，并且为广大民众提供休闲娱乐场地的责任。
O O B-Thing O O O O O O O O O O O O O O O O O B-Organization I-Organization I-Organization I-Organization O O O O O O O O B-Person I-Person O O B-Location I-Location I-Location I-Location I-Location I-Location O O O O