BRAZIL-RIO DE JANEIRO-WORLD CLEANUP DAY

(250921) -- RIO DE JANEIRO, Sept. 21, 2025 (Xinhua) -- Volunteers pick up trash at Copacabana Beach, Rio de Janeiro, Brazil, Sept. 20, 2025. World Cleanup Day is an annual global event that is marked every third Saturday in September with the aim of combating the global solid waste problem. (Xinhua/Wang Tiancong)