In April 2002, the Beijing Municipal Institute of Cultural Relics discovered two brick tombs of the Liao period at Qingyundian in Daxing District, Beijing City. The tombs are identical in shape. Either has a single chamber and a dome built of livid bricks, and consists of a passage, a gate, a gate wall, a corridor and a chamber. The chamber is decorated with paintings on the inner wall. Among the funeral objects are ceramics and copper coins. The excavation provided new data for studying the tombs of the early Liao period as to their architectural form, the style of their murals and the evolution of their mourning goods.