The general tomb figure (将军俑) of the Terracotta Army (兵马俑). These figures are found in the tomb of first Qin emperor, which is listed in the UNESCO World Heritage List under the name "Mausoleum of the First Qin Emperor". Thanks icewendy.
A pair of 2 Yuan bird definitive stamps and a 80 Fen environmental definitive stamp were used. They are cancelled at Xi'an Zhonglou 1 (西安 钟楼 1) on 30.6.2010. A red-color pictorial postmark also cancelled much earlier (20.3.2010).