According to the Chongqing Municipal Academy of Cultural Heritage, a dual-chamber tomb dating back to Song Dynasty (960 – 1279) was found in Jiangjin District in southwest China's Chongqing on Aug. 2, 2015. The tomb, assembled by stones with rectangular double-chamber, is 8.5 meters long, 7.5 meters wide and 3 meters high. According to Niu Yingbin, the person in charge of the archaeological excavations, such a huge, complex, and beautifully carved dual-chamber tomb is very rare. (Photo/CNS)