Transcription: We're on one of the Senate subways that was first in operation in 1912, and the senators moved from their office buildings across Constitution Avenue over to the Capitol underground. This car was built in 1961, but the first original cars were produced in 1912. They didn't work very well, so they built another one in 1915. About 1920 or so, they put in a second track. So now, because we have more office buildings for the Senate, we have three trains on the Senate side and only one subway train on the House side. And here we are at the station. It takes about 35 to 40 seconds to go. The others ...