United States Capitol subway system
(wikipedia.org)
The subway system of the United States Capitol Complex in Washington, D.C., consists of three underground electric people mover systems that connect the United States Capitol to several congressional office buildings – all of the Senate buildings and one of the House buildings.
The subway system of the United States Capitol Complex in Washington, D.C., consists of three underground electric people mover systems that connect the United States Capitol to several congressional office buildings – all of the Senate buildings and one of the House buildings.