Guests address opening ceremony of 4th World Internet Conference

Apple CEO Tim Cook addresses the opening ceremony of the 4th World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

Delegates attend the opening ceremony of the 4th World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. The conference opened Sunday in Wuzhen. [Photo by Huang Zongzhi/Xinhua]

Jack Ma, chairman of Alibaba Group, addresses the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Huang Zongzhi/Xinhua]

Thai Deputy Prime Minister Prajin Juntong addresses the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

Enkhtuvshin Ulzisaikhan, deputy prime minister of Mongolia, addresses the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Huang Zongzhi/Xinhua]

Cisco CEO Chuck Robbins addresses the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

Liu Zhenmin, UN Under-Secretary-General for Economic and Social Affairs, addresses the opening ceremony of the 4th World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

Delegates attend the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

American computer scientist Robert Kahn addresses the opening ceremony of the Fourth World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]

Apple CEO Tim Cook addresses the opening ceremony of the 4th World Internet Conference in the water town of Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zheng Huansong/Xinhua]