When the world’s largest stone-carved art treasure faces the threat of natural erosion, protection becomes the ultimate race against time.【I Restore Cultural Relics at the Longmen Grottoes 】Episode 5: Conservation Projects. 当世界最大的石刻艺术宝库面临自然侵蚀，保护便是一场与时间的终极博弈 。纪录片《我在龙门修文物》第五期：工程项目。#龙门石窟 #洛阳国际传播中心 #LICC 点击关注@洛阳国际传播中心