Aerial photo taken on March 20, 2019 shows a bullet train running in through cole flower fields in Hanzhong, Northwest China’s Shaanxi province. [Photo/Xinhua]

Aerial photo taken on March 20, 2019 shows a bullet train running through cole flower fields in Hanzhong, Northwest China’s Shaanxi province. [Photo/Xinhua]

Aerial photo taken on March 20, 2019 shows a bullet train running through cole flower fields in Hanzhong, Northwest China’s Shaanxi province. [Photo/Xinhua]

Aerial photo taken on March 20, 2019 shows a bullet train running through cole flower fields in Hanzhong, Northwest China’s Shaanxi province. [Photo/Xinhua]