This photo taken on April 8, 2021 shows the bronze sculpture of a tree excavated in 1986 from the Sanxingdui Ruins site in Guanghan, southwest China's Sichuan Province. (Photo: China News)

This photo taken on April 8, 2021 shows the bronze sculpture of a tree excavated in 1986 from the Sanxingdui Ruins site in Guanghan, southwest China's Sichuan Province. (Photo: China News)

This photo taken on April 8, 2021 shows the bronze sculpture of a tree excavated in 1986 from the Sanxingdui Ruins site in Guanghan, southwest China's Sichuan Province. (Photo: China News)

This photo taken on April 8, 2021 shows the bronze sculpture of a tree excavated in 1986 from the Sanxingdui Ruins site in Guanghan, southwest China's Sichuan Province. (Photo: China News)

This photo taken on April 8, 2021 shows the bronze sculpture of a tree excavated in 1986 from the Sanxingdui Ruins site in Guanghan, southwest China's Sichuan Province. (Photo: China News)