Boca do Inferno, Lagoa Azul and Lagoa Verde lakes, Sete Cidades, San Miguel, Azores, PortugalView of lake of the Quilotoa caldera, Andes, EcuadorCuicocha caldera and crater lake at the foot of Cotacachi Volcano, Andes, Ecuador
Morning view of Cemoro Lawang village, Bromo-Tengger-Semeru National Park, East Java, IndonesiaKelimutu volcano crater lakes and caldera, Flores Island, Indonesia
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