The cultural relics that returned to China in 2022 are the Five Ox Map and the Buddha's Head on the northern wall of Cave 8 of Tianlongshan Grottoes. In the article published by the National Cultural Relics Protection Association, the number of cultural relics returned at the first level in 2022 is 102 1. Cultural relics are historical, artistic and scientific relics left by human beings in social activities. They are the precious historical and cultural heritage of mankind.