1. (2019九上·杭州开学考) What are the two speakers mainly talking about?

Did you enjoy your visit to Capitol Hill?<br />Yes, very much.<br />You see, the design for the first Capitol building was chosen by George Washington in the 1790s.<br />When was it open?<br />Hmm, let me see. In 1800.<br />But it was burned down by the British in 1812, and it had to be completely rebuilt.