The No 1 tomb of the Wuwangdun Site in Huainan, Anhui province, believed to be the tomb of King Kaolie of the Chu state, who reigned during the late stage of the Warring States Period. JIANG DONG/CHINA DAILY Findings at Wuwangdun shed intriguing light on how society was organized millennia ago, Wang Ru reports in Huainan, Anhui province. The 15-meter-high …