Sunflowers are in full bloom at Hetao plain in Bayan Nur city, North China's Inner Mongolia autonomous region. [Photo by Chen Qiang/For chinadaily.com.cn]

Sunflowers are in full bloom at Hetao plain in Bayan Nur city, North China's Inner Mongolia autonomous region. [Photo by Chen Qiang/For chinadaily.com.cn]

Sunflowers are in full bloom at Hetao plain in Bayan Nur city, North China's Inner Mongolia autonomous region. [Photo by Chen Qiang/For chinadaily.com.cn]

Sunflowers are in full bloom at Hetao plain in Bayan Nur city, North China's Inner Mongolia autonomous region. [Photo by Chen Qiang/For chinadaily.com.cn]

Sunflowers are in full bloom at Hetao plain in Bayan Nur city, North China's Inner Mongolia autonomous region. [Photo by Chen Qiang/For chinadaily.com.cn]