The Book of Rites depicts an ideal "Great Harmony" society.
Tips
culture
As a city: Datong in northern Shanxi, famous for the Northern Wei-era Yungang Grottoes (云冈石窟, 5th century) with over 50,000 carved Buddhist figures — a UNESCO site.
history
As a concept: 大同 comes from the 《礼记·礼运》 passage describing an ideal society where "the whole world is shared by all" (天下为公). Kang Youwei's 《大同书》 (1902) and Sun Yat-sen's political slogans both drew on this vision.