There are a number of beautiful buildings that Lahore has inherited from the British during their rule. Punjab University (Old Campus), built in 1882, is the oldest university of Pakistan. Lahore High Court, built in 1874 is the oldest superior court in Pakistan and the General Post Office, built in 1892 is one of the oldest buildings erected during the British Rule. Zamzama (Kimís Gun) was cast in wax-technique in bronze in 1757. Government College, established in 1864, is the oldest higher education institution in Pakistan. Aitchison College established in 1886 stands over 186 acres.