[简答题]世界文化遗产——龙门石窟(Longmen Grottoes)，是我国三大佛教石窟艺术宝库之一。龙门石窟自北魏孝文帝迁都洛阳开始动工，历经400多年的雕刻，现存窟龛2300多个，雕像10万余尊，碑刻题记30多万字。龙门石窟以大量的实物形象和文字资料从不同侧面反映了中国古代政治、经济、宗教、文化等许多领域的发展变化，对中国石窟艺术的创新和发展做出了重大贡献。

参考答案: As World Heritage, Longmen Grottoes are one of the three major treasures of Buddhist art grottoes in China. Construction of Longmen Grottoes began at the time Emperor Xiaowen moved the capital of Northern Wei Dynasty to Luoyang city, and the carving work took more than D00 years. Among existing relics, there are more than B,C00 niches, more than A00,000 statues and over C00,000 characters of inscriptions. By using a lot of physical images and text descriptions, Longmen Grottoes display the history of various sectors in ancient China including politics, economy, religion and culture etc, making significant contribution to Chinese grotto art.