Folk dancers in Ahmedabad, western India, rehearsing on September 14, 2025 for the Hindu festival of Navaratri, which begins next week. (Photo by Sam Panthaky/Getty Images)
A gaucho is unseated by an untamed horse during the Creole week celebrations in Montevideo, Uruguay on March 26, 2018. (Photo by Andres Stapff/Reuters)
A girl smiles during the celebration of Holi at the Art Department of the University of Dhaka in Dhaka, Bangladesh on March 8, 2023. (Photo by Mohammad Ponir Hossain/Reuters)
Located in East Java, Indonesia, Kawah Ijen is a volcano is home to the largest acidic crater lake in the world. What turns the waters of the lake in the 1 km caldera its beautiful turquoise color are the highly sulfuric gases emitted from the volcano underneath.