Unified Silla Building Site
The sixth excavation of Namhansanseong Emergency Palace site carried out between 2003 and 2004 revealed archaeological traces of Unified Silla (676-935) in the front courtyard of the Oehaengjeon in the lower section of the palace site. Meanwhile, the seventh and eighth excavations conducted between 2005 and 2008 resulted in the discovery of a large roof tile (approx. 20 kilograms in weight) and a building site (53.8 meters in length and 17.5 meters in width, with 2-meter-thick walls) dating from the Unified Silla period.