World-leading technology was on display as an expo opened on Saturday to get things warmed up for this year's 4th World Internet Conference in Wuzhen in Zhejiang province.

The four-day Light of the Internet Exposition has attracted participants from across the world to the Wuzhen International Internet Exhibition and Convention Center.

"The expo features the most innovative, cutting-edge products and fields in information technology, including cloud calculation, big data, quantum communication, artificial intelligence, and the shared economy," Yuan Jiajun, governor of Zhejiang province, said at the expo's opening ceremony.