Book is the ladder of human progress | 书是人类进步的阶梯

Location: Shanghai World Expo, China
地点：中国上海世博会

This picture was just taken by accident. I forgot to increase the iso to meet the dark indoor environment. However, the output seems to display a magic atmosphere unexpectedly.

这张照片纯属偶得。从室外走入室内，我忘记把 ISO 调高，拍完了才发现，这个失误竟然让这张照片有点意外魔幻的效果。