View from Miradouro Boca do Inferno to Sete Citades, Azores, Portugal
Volcano crater islet of Vila Franca do Campo at São Miguel island, Azores, Portugal
Cuicocha lagoon inside the crater of the volcano Cotacachi, Ecuador
Algae bloom in Taal lake - the smallest in the world volcano, Manila, Philippines
Crater Lake Nyabikere (Lake of frogs) in Kabarole district, Uganda
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