South Site, Cave 4, Front Wall, Lotus Sutra, Guanyin Universal Gate Chapter, b-4 top part
南响堂第四窟前壁《妙法莲花经“观世音普门品”》b-4
South Site | Cave 4
Northern Qi (550-577) | Buddhist Sutra
Volume 1 Figure 4:4 in book Xiangtangshan shiku beike tiji zonglu by Zhang Lintang and Xu Peilan
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