What is the event of playing mahjong?

Playing mahjong is called the Great Wall Project.

Playing mahjong is a traditional entertainment activity in China, with a long history and rich cultural connotation. Mahjong games can cultivate thinking ability, judgment and strategic thinking, and at the same time improve interpersonal communication and teamwork ability. Building the Great Wall is a great project in ancient China, which represents the wisdom and courage of the people of China and is the pride of the Chinese nation. By comparing playing mahjong with the Great Wall project, we can highlight the importance and value of mahjong games, and at the same time show the unity and struggle spirit of China people.