秦始皇帝陵博物院文物修复专家兰德省(右一)在指导技术人员运用超声波仪器测量秦俑胎体的密度(8月23日摄)。[新华社记者 王毓国 摄]
Lan Desheng (1st, R) guides technicians to measure the density of the painted Terracotta Warriors with an ultrasonic device at the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, northwest China's Shaanxi Province, Aug. 23, 2023. (Xinhua/Wang Yuguo)
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