In April 2002, the Beijing Municipal Institute of Cultural Relics discovered two brick tombs of the Liao period at Qingy......

<正> 2002年4月,北京市大兴区青云店镇东南的西杭子村王致和腐乳厂西墙外发现两座砖墓(图一)。该地地处风河流域。经抢救性清理,得......