(250527) -- DAR ES SALAAM, May 27, 2025 (Xinhua) -- Zhang Junqiao (C),head of the 27th batch of the Chinese medical team in Tanzania, provides a training session on ultrasound-guided regional nerve block anesthesia to local anesthesiology healthcare professionals and students, in Dar es Salaam, Tanzania, May 25, 2025. TO GO WITH "Chinese medical team in Tanzania conducts training on regional nerve block anesthesia" (The 27th batch of the Chinese medical team in Tanzania/Handout via Xinhua)