The 2025 SCO Summit of Heads of State was held in the Chinese city of:

(A) Beijing
(B) Shanghai
(C) Chengdu
(D) Tianjin

The answer is: (D) Tianjin
The 2025 Shanghai Cooperation Organization (SCO) Summit of Heads of State was held in Tianjin, China, on August 31 and September 1, 2025.