![Free library transformed from historic watchtower in Beijing(5/5)](http://www.ecns.cn/hd/2017/11/16/b93403105f19465aa882e0a3b8ae7bd7.jpg)
People enjoy their time at a library converted from an ancient watchtower in Beijing on November 16, 2017. Built in the year of 1493, the Zuoan Gate Watchtower fell down sometime between the 1920s and 1930s. Now the historic building served as a free library after a renovation project. (Photo: China News Service/Jia Tianyong)