Chess Board, 14th-15th century
This chess board, carved into a paving stone was discovered in 2022 in Watchtower 141 in the Jiankou section of the Great Wall in Beijing's Huairou district.
This chess board, carved into a paving stone was discovered in 2022 in Watchtower 141 in the Jiankou section of the Great Wall in Beijing's Huairou district.