North Site, Engraved Sutra Cave, Entrance-Way Ornamental Pattern, Left
北响堂刻经洞门甬道纹饰（左）
North Site | South Cave (Engraved Sutra Cave)
Northern Qi (550-577) | Relief Carving, Stele Inscription
Volume 1 Figure 25 in book Xiangtangshan shiku beike tiji zonglu by Zhang Lintang and Xu Peilan
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