101-year-old ophthalmologist's undying passion for public service

Zhang Xiaofang (2nd R) diagnoses a patient at the First Affiliated Hospital of Zhengzhou University in Zhengzhou, central China's Henan Province, on April 27, 2021. At 101, ophthalmologist Zhang Xiaofang continues to treat patients with an unwavering spirit as people queue up at his clinic in Zhengzhou. (Xinhua/Li An)