(251110) -- BELEM(BRAZIL), Nov. 10, 2025 (Xinhua) -- Participants attend the opening ceremony of the 30th United Nations climate change conference in Belem, Brazil, Nov. 10, 2025. The 30th United Nations climate change conference, commonly known as COP30, opened Monday in Belem, in the Brazilian state of Para, with the aim of putting the fight against climate change back in the center of international priorities, according to local authorities. (Photo by Lucio Tavora/Xinhua)