Trainers Fu Mingyan (L) and Jiang Boya gear up guide dogs for training in Dalian, northeast China's Liaoning Province, April 23, 2021.Photo:Xinhua

Trainer Fu Mingyan trains a guide dog in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Trainers Fu Mingyan (R) and Jiang Boya train guide dogs on a street in Dalian, northeast China's Liaoning Province, April 23, 2021.Photo:Xinhua

A trainer gears up a guide dog for training at Dalian branch of the China Guide Dog Training Center in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Trainer Fu Mingyan trains a guide dog in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Trainer Xu Kun trains a guide dog on a street in Dalian, northeast China's Liaoning Province, Jan. 14, 2020.Photo:Xinhua

Trainer Fu Mingyan trains a guide dog to go downstairs in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Trainers Fu Mingyan (R) and Jiang Boya train guide dogs on a street in Dalian, northeast China's Liaoning Province, April 23, 2021.Photo:Xinhua

Visually impaired man Wen Shipeng walks with his guide dog in Dalian, northeast China's Liaoning Province, Jan. 13, 2020.Photo:Xinhua

Trainer Wang Lin trains a guide dog on a street in Dalian, northeast China's Liaoning Province, Jan. 14, 2020.Photo:Xinhua

Trainer Fu Mingyan combs a guide dog in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

A guide dog accompanies visually impaired woman Han Yao in Dalian, northeast China's Liaoning Province, April 25, 2021.Photo:Xinhua

Trainer Fu Mingyan trains a guide dog in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Trainer Fu Mingyan combs a guide dog in Dalian, northeast China's Liaoning Province, April 22, 2021.Photo:Xinhua

Visually impaired man Wen Shipeng walks with his guide dog in Dalian, northeast China's Liaoning Province, Jan. 13, 2020.Photo:Xinhua