Of all the buildings constructed during the university’s early days, Tsinghua Xuetang was undoubtedly the first one, which is why it was known as No.1 Building back then. Throughout its long history, Tsinghua Xuetang has seen numerous passers-by. It is Tsinghua’s history in a nutshell. It guards the passionate youths of generations. It carries on the unique glamor and heritage, and sows the seeds of the future.