Cao Yong (1st R), chief physician of neurosurgery department from Beijing Tiantan Hospital under the Capital Medical University, examines a patient (1st L) at the No. 2 People's Hospital of Tibet Autonomous Region in Lhasa, capital of southwest China's Tibet Autonomous Region, Aug. 31, 2019. A team of neurological experts arrived at the No. 2 People's Hospital of Tibet Autonomous Region to offer free examinations to patients. (Xinhua/Zhang Rufeng)