![A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)](http://www.ecns.cn/hd/2018/07/19/c40cee675a834827a92d892c5aa2353e.jpg)
A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)
![A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)](http://www.ecns.cn/hd/2018/07/19/293fc8bd645341da833d2afaa05e1e2f.jpg)
A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)
![A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)](http://www.ecns.cn/hd/2018/07/19/49a1b2a5b6124e05b1575c1b6e72b09a.jpg)
A smart, unmanned bookstore opens in Shenzhen City, South China’s Guangdong Province, July 18, 2018. The 178-sqm bookstore, the largest unmanned bookstore in China, allows customers to process their payments using facial recognition technology. After scanning a code to enter the bookstore, customers can find the precise location of a book and complete payment through Tencent’s popular social networking app WeChat. (Photo/VCG)