热门: library
stock photo: library 1
spiral staircase in the iowa state capital library.
热门: library building
图片内容是:library图片
kk_metro_library_06.jpg
四川图书馆 sichuan library
图库照片: library setting with books and reading material.
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英国曼彻斯特john rylands library(图/维基百科)