Aerial photo taken on March 20, 2017 shows farmland of cole flowers in Yangxian County, northwest China's Shaanxi Province, March 20, 2017. (Xinhua/Wang Chuanyuan)
Aerial photo taken on March 20, 2017 shows farmland of cole flowers in Yangxian County, northwest China's Shaanxi Province, March 20, 2017. (Xinhua/Wang Chuanyuan)