Photo taken on Feb. 15, 2018 shows arrowheads from Qin Dynasty during an exhibition of "Civilization of Qin (221-207 B.C.) and Han Dynasties (206 B.C.- 220 A.D.)" in Hainan Museum in Haikou, south China's Hainan Province. Over 200 pieces of cultural relics were on display on the exhibition which will last till May 13. (Xinhua/Guo Cheng)