Aerial photo taken on Feb. 10, 2019 shows cole flowers beside the Jiulong River in Luoping County, southwest China's Yunnan Province. (Xinhua/Mao Hong)

　　Aerial photo taken on Feb. 10, 2019 shows cole flowers beside the Jiulong River in Luoping County, southwest China's Yunnan Province. (Xinhua/Mao Hong)

　　Aerial photo taken on Feb. 10, 2019 shows cole flowers beside the Jiulong River in Luoping County, southwest China's Yunnan Province. (Xinhua/Mao Hong)