Staff members work at the Shandong Museum in Jinan, east China's Shandong Province, April 24, 2020. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon. (Photos: Xinhua)

Staff members work at the Shandong Museum in Jinan, east China's Shandong Province, April 24, 2020. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon.

Photo taken on April 24, 2020 shows a bronze ding, an ancient cooking vessel, at the Shandong Museum in Jinan, east China's Shandong Province. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon.

Photo taken on April 24, 2020 shows a terracotta warrior at the Shandong Museum in Jinan, east China's Shandong Province. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon.

Staff members work at the Shandong Museum in Jinan, east China's Shandong Province, April 24, 2020. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon.

Photo taken on April 24, 2020 shows a terracotta warrior at the Shandong Museum in Jinan, east China's Shandong Province. An exhibition featuring terracotta warriors and over 140 other relics will be held at the museum soon.