A doctor from the 28th Chinese medical team to mainland Tanzania uses an otoscope to examine the ear of a patient in Dar es Salaam, Tanzania, June 24, 2026. The 28th Chinese medical team to mainland Tanzania has provided free medical services to Tanzania-Zambia Railway Authority (TAZARA) workers and passengers in Dar es Salaam as part of activities marking the railway's 50th anniversary and honoring the contributions of railway workers. (Xinhua/Emmanuel Herman)