Chang' an campus. The public lecture of the 4th Archaeological Congress is held in Chang 'an Campus of Northwest University, the address is No.1 Xuefu Avenue, Guodu Street, Chang 'an District, Xi 'an City, Shaanxi Province. Northwest University is a comprehensive university in China, which was founded in 1912. It is one of the earliest institutions of higher learning in China and the oldest institution of higher learning in western China.