Experts from Tianjin Hospital arrive at Chamdo Prople's Hospital in Xizang on Monday to perform hip-preserving corrective surgeries for children in Chamdo, Xizang autonomous region.[Photo provided to chinadaily.com.cn]

The mission team, led by Zhang Zhongli, director of the hospital's pediatric orthopedics department, included specialists in anesthesiology, pediatric orthopedics, and surgical nursing. Working at an average altitude of 3,500 meters, the doctors overcame altitude sickness and collaborated with staff from Chamdo People's Hospital. All four complicated hip reconstructions were finished without complications.