The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)

The photo, taken on October 12, shows visitors taking photos in a field of pink grass at the Hunan University of Chinese Medicine in Changsha. Fields of the pink grass named hairawn muhly, or pink muhly grass here have entered blossom season recently. The feathery, cloud-like flowers attracted numerous teachers and students to spend the beautiful autumn days. (Photo/Gu Pengbo, Hunan Daily)