More than 100 buffalos swim across the Jialing River in the morning to graze on an island with lush green grassland in the middle of the river, in Youfanggou Village, Nanchong City of southwest China's Sichuan Province, July 2, 2019. (Photo by Liu Yonghong/Xinhua)

More than 100 buffalos swim across the Jialing River in the morning to graze on an island with lush green grassland in the middle of the river, in Youfanggou Village, Nanchong City of southwest China's Sichuan Province, July 2, 2019. (Photo by Liu Yonghong/Xinhua)

More than 100 buffalos swim across the Jialing River in the morning to graze on an island with lush green grassland in the middle of the river, in Youfanggou Village, Nanchong City of southwest China's Sichuan Province, July 2, 2019. (Photo by Liu Yonghong/Xinhua)

More than 100 buffalos swim across the Jialing River in the morning to graze on an island with lush green grassland in the middle of the river, in Youfanggou Village, Nanchong City of southwest China's Sichuan Province, July 2, 2019. (Photo by Liu Yonghong/Xinhua)

More than 100 buffalos swim across the Jialing River in the morning to graze on an island with lush green grassland in the middle of the river, in Youfanggou Village, Nanchong City of southwest China's Sichuan Province, July 2, 2019. (Photo by Liu Yonghong/Xinhua)