Zhao Mingqian (C) and his student look at the tongue of a girl of Chinese origin in South Africa during a free medical consultation session in Johannesburg. Zhao and three other traditional Chinese medicine (TCM) practitioners in Shenzhen were invited by the South African Shenzhen Chamber of Commerce to provide TCM services in South Africa. Zhao and the other three TCM practitioners also traveled to Dubai after South Africa to offer free TCM consultation to Chinese nationals in the Middle Eastern country.