Welcome, I am your tour guide. The United States capitol building in Washington D.C. is a symbol of democracy. Dr. William Thornton won a contest for his design of the capitol building. He was a medical doctor from the British West Indies. The capitol is the second oldest building in the capital. What’s the difference between the capital and the capitol? The city of Washington is our nation’s capital. The center of our federal government. It was built in 1793. Dr. William Thornton desind the capitol. I hope you guys liked the tour. Thank you.