知识渊博的导游会为你讲述各大总统，国会，纪念碑和公园最有趣的故事。
Knowledgeable guides will entertain you with the most interesting stories about Presidents, Congress, memorials, and parks.
知识渊博的导游会为你讲述各大总统，国会，纪念碑和公园最有趣的故事。
Knowledgeable guides will entertain you with the most interesting stories about Presidents, Congress, memorials, and parks.
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