Introduction to the relief walls of Song Dynasty tombs: Among the cultural relics in the collection of Huangze Temple, a group of Song tomb relief stone carvings are undoubtedly treasures in the stone carving art of the Song Dynasty in my country. This batch of 24 relief stone carvings was unearthed from the Song Dynasty tomb in Bazi near Guangyuan City between 1974 and 1980. Each piece is 2 meters long and 0.8 meters wide, and is carved from local yellow sandstone.