Aerial photo taken on March 28, 2019 shows a bullet train running through fields of cole flowers in Chenggu county of Hanzhong city, Northwest China’s Shaanxi province. [Photo/Xinhua]

Photo taken on March 28, 2019 shows cole flowers at Kecun township in Yixian county of Huangshan city, East China’s Anhui province. [Photo/Xinhua]

Aerial photo taken on March 28, 2019 shows tourists go sightseeing in the fields of cole flowers at Hunzhai village of Zhujiachang township in Tongren city, Southwest China’s Guizhou province. [Photo/Xinhua]

Aerial photo taken on March 28, 2019 shows fields of cole flowers at Xinhe community of Liangyuan township in Hefei, capital of East China’s Anhui province.[Photo/Xinhua]

Photo taken on March 28, 2019 shows cole flowers at Kecun township in Yixian county of Huangshan city, East China’s Anhui province.[Photo/Xinhua]

Aerial photo taken on March 28, 2019 shows fields of cole flowers at Hunzhai village of Zhujiachang township in Tongren city, Southwest China’s Guizhou province.[Photo/Xinhua]

Photo taken on March 28, 2019 shows cole flowers at Kecun township in Yixian county of Huangshan city, East China’s Anhui province. [Photo/Xinhua]