Cattles graze on grass on a grassland in Otog Front Banner in the city of Ordos in North China's Inner Mongolia autonomous region. In recent years, the grassland environment has been greatly improved due to the local government's protective efforts. [Photo/Inner Mongolia Daily]

A flock of sheep grazes on a grassland in Otog Front Banner in the city of Ordos in North China's Inner Mongolia autonomous region. [Photo/Inner Mongolia Daily]

Cattles graze on grass on a grassland in Otog Front Banner in the city of Ordos in North China's Inner Mongolia autonomous region. [Photo/Inner Mongolia Daily]

A breathtaking sunset view of the Otog Front Banner in the city of Ordos in North China's Inner Mongolia autonomous region. [Photo/Inner Mongolia Daily]