Taijitu seen in Tripilja culture in Ukraine, displayed in the Ukraine pavilion at the Expo 2010 in Shanghai, China. Also, the interlocking design is found in artifacts of the European Iron Age. While this design appears to become a standard ornamental motif in Iron-Age Celtic culture by the 3rd century BC, found on a wide variety of artifacts, it is not clear what symbolic value was attached to it. Unlike the Chinese symbol, the Celtic yin-yang lack the element of mutual penetration, and the two halves are not always portrayed in different colors. Comparable designs are also found in Etruscan art.
Yang Yin Emperor Xiaozhuang. However, after Yuan Hao was subsequently defeated by Erzhu, permitting Emperor Xiaozhuang to return to Luoyang, Yang Yin believed that the empire was not yet at peace and decided to leave governmental service, taking up a hermit's existence with his friend Xing Shao at Mount Song. Thereafter, however, Yang Yin's cousin Yang Youqing, while advising Emperor Xiaowu, whom Gao Huan had made emperor, used strong language that offended Emperor Xiaowu and was put to death. Another member of Gao's staff, Guo Xiu, was jealous of Yang's abilities, and he therefore gave Yang false news that Gao was intending