(250526) -- KAMPALA, May 26, 2025 (Xinhua) -- Artists from Burundi perform during an Africa Day celebration in Kampala, Uganda, on May 25, 2025. Africa Day, celebrated annually on May 25, commemorates the founding of the Organization of African Unity in 1963, now known as the African Union. The day serves to celebrate Africa's unity, peace and rich cultural diversity. (Photo by Nicholas Kajoba/Xinhua)