兵馬俑的任務在於侍奉死後的秦始皇。 PHOTOGRAPH BY IRA BLOCK, NAT GEO IMAGE COLLECTION

學者相信鉻塗層在過去兩千多年歲月，保護青銅兵器免於鏽蝕。PHOTOGRAPH BY O. LOUIS MAZZATENTA, NAT GEO IMAGE COLLECTION