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  1. Copilot 答案
    History

    Prior to establishing the nation's capital in Washington, D.C., the United States Congress and its predecessors met at Independence Hall and Congress Hall in Philadelphia, Federal Hall in New York City, and five addition… 展开

    Interior

    The Capitol building is marked by its central dome above a rotunda in the central section of the structure (which also includes the older original smaller center flanked by the two original (designed 1793, occupied 1800) smaller tw… 展开

    Exterior

    The Capitol Grounds cover approximately 274 acres (1.11 km ), with the grounds proper consisting mostly of lawns, walkways, streets, drives, and planting areas. Several monumental sculptures used to be locat… 展开

    Major events

    The Capitol and the grounds of Capitol Hill have played host to major events, including presidential inaugurations, which are held every four years. During an inauguration, the front of the Capitol is outfitted with a platform and a gr… 展开