People watch an exhibit during the exhibition of Baoli Era: Treasures From the Tang Shipwreck Collection in east China's Shanghai, Sept. 14, 2020. A total of 248 pieces (group) of cultural relics are displayed during the exhibition, which will run until Jan. 10, 2021. (Xinhua/Ren Long)

A visitor visits the exhibition of Baoli Era: Treasures From the Tang Shipwreck Collection in east China's Shanghai, Sept. 14, 2020. A total of 248 pieces (group) of cultural relics are displayed during the exhibition, which will run until Jan. 10, 2021. (Xinhua/Ren Long)

Photo taken on Sept. 14, 2020 shows exhibits during the exhibition of Baoli Era: Treasures From the Tang Shipwreck Collection in east China's Shanghai. A total of 248 pieces (group) of cultural relics are displayed during the exhibition, which will run until Jan. 10, 2021. (Xinhua/Ren Long)

Photo taken on Sept. 14, 2020 shows exhibits during the exhibition of Baoli Era: Treasures From the Tang Shipwreck Collection in east China's Shanghai. A total of 248 pieces (group) of cultural relics are displayed during the exhibition, which will run until Jan. 10, 2021. (Xinhua/Ren Long)

Photo taken on Sept. 14, 2020 shows exhibits during the exhibition of Baoli Era: Treasures From the Tang Shipwreck Collection in east China's Shanghai. A total of 248 pieces (group) of cultural relics are displayed during the exhibition, which will run until Jan. 10, 2021. (Xinhua/Ren Long)