Solar-powered drone by Chinese scientists finishes year-round test

A solar-powered drone 'Meiying' developed by Chinese scientists recently finished its year-round test for long flight in northwest China's Shaanxi Province. The drone developed by the scientists of Northwestern Polytechnical University has completed its test in four seasons. In the latest winter test in Jingbian County of Shaanxi, the drone flied over 10 hours with sunlight eight times weaker than that in summer.