KUNMING, Aug. 29 (Xinhua) -- A rare iridescent cap cloud was captured in southwest China's Yunnan Province on August 25. When sunlight interacts with ice crystals in high-altitude clouds, a dazzling rainbow effect is created.
KUNMING, Aug. 29 (Xinhua) -- A rare iridescent cap cloud was captured in southwest China's Yunnan Province on August 25. When sunlight interacts with ice crystals in high-altitude clouds, a dazzling rainbow effect is created.
