In this photo released by Xinhua News Agency, real from left, Tanzania's President Samia Suluhu Hassan, Chinese President Xi Jinping and Zambia President Hakainde Hichilema applaud as they witness the signing of a memorandum of understanding on the revitalisation project of the Tanzania-Zambia Authority railway, at the Great Hall of the People in Beijing, Wednesday, Sept. 4, 2024, ahead of the China Africa Forum. (Zhai Jianlan/Xinhua via AP)