An exhibitor shows the images transmitted via 5G technology in a mobile phone service promotion event in Wuzhen Town of Tongxiang, East China's Zhejiang province, Oct 10, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A visitor tries facial recognition payment in a smart store in Wuzhen Town of Tongxiang, East China's Zhejiang province, Nov 6, 2018. The fifth World Internet Conference (WIC) is scheduled to run from November 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A visitor tries facial recognition payment in a smart store in Wuzhen Town of Tongxiang, East China's Zhejiang province, Nov 6, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A visitor tries a physical check in a smart clinic in Wuzhen Town of Tongxiang, East China's Zhejiang province, Nov 6, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A worker demonstrates the ID recognition access in an AI hotel in Wuzhen Town of Tongxiang, East China's Zhejiang province, Oct 31, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A medical worker demonstrates the online communication tool provided by local smart clinic system in Wuzhen Town of Tongxiang, East China's Zhejiang province, Nov 6, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]

A worker demonstrates the ID recognition access in an AI hotel in Wuzhen Town of Tongxiang, East China's Zhejiang province, Oct 31, 2018. The fifth World Internet Conference (WIC) is scheduled to run on Nov 7-9 in the river town of Wuzhen. [Photo by Huang Zongzhi/Xinhua]