China's Qingqibing solar-powered drone, designed to fly up to 30 hours, completed its first flight Wednesday at an airport in northwest China, according to the 11th Research Institute of the China Aerospace Science and Technology Corp.

The man set out to climb the mountain alone Sunday morning and has not been heard from since, according to the report. Japanese police, firefighters and other emergency personnel began searching Tuesday morning but have yet to find him.

Decades ago, a teacher in a remote pastureland in northwest China's Xinjiang Uygur Autonomous Region rode from one herding camp to another, carrying a small blackboard and a few textbooks on horseback.

China has signed 19 free trade agreements (FTAs) with 25 countries participating in the Belt and Road Initiative (BRI), a Commerce Ministry official said Wednesday.

A series of APEC-themed floral installations have recently been set up across the city's streets and parks, attracting residents and tourists.