The very rare giant otter, Lake Salvador, Manu National Park, UNESCO World Heritage Site, Peru, South America

Tourist boat on Lake Salvador, Manu National Park, UNESCO World Heritage Site, Peru, South America

Tourist boat on Lake Salvador, Manu National Park, Peru, South America

View of Monte San Salvador from the Lido, Lugano, Lake Lugano, Ticino, Switzerland, Europe

A view of the volcanic crater and colourful crater lake on Santa Ana Volcano in Santa Ana, El Salvador, Central America

A view of Coatepeque Lake in Santa Ana, El Salvador, Central America

A view of the volcanic crater and colourful crater lake on Santa Ana Volcano in Santa Ana, El Salvador, Central America

Lake Suchitlan in Suchitoto, El Salvador, Central America

Crater lake of Volcan Santa Ana, 2365m, Parque Nacional Los Volcanes, El Salvador, Central America

Ilopango lake at dusk, San Salvador, El Salvador, Central America

Ilopango lake and volcano, San Salvador, El Salvador, Central America