![Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)](http://www.ecns.cn/hd/2018/10/10/f0ddee5b70fe4e998f371df6cdf3bd20.jpg)
Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)
![Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)](http://www.ecns.cn/hd/2018/10/10/a6bedca672ad4d91ab97165d7db717e9.jpg)
Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)
![Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)](http://www.ecns.cn/hd/2018/10/10/0980f3c791f04ae680444dfd9a3a31f6.jpg)
Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)
![Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)](http://www.ecns.cn/hd/2018/10/10/52e149fedad54a939abcfd882421897b.jpg)
Tens of thousands of books are placed on shelves to form a 10-meter-tall books wall inside a shopping center in Chongqing, Oct. 10, 2018. (Photo/VCG)