A tower of books at North Book City in Shenyang, Northeast China’s Liaoning province on Sept 18. The tower is 4.2-meters high with a diameter of 1.5 meters. It took around two weeks for 40 employees in the store to build the tower using over 7,000 books. [Photo/Chinanews.com]

A panoramic view of the book tower at North Book City in Shenyang, Northeast China’s Liaoning province on Sept 18. [Photo/Chinanews.com]

A Shenyang resident takes a selfie in front of the book tower at North Book City in Shenyang, Northeast China’s Liaoning province on Sept 18. [Photo/Chinanews.com]

An inside view of a book tower at North Book City in Shenyang, Northeast China’s Liaoning province on Sept 18. [Photo/Chinanews.com]