Views of natural volcanic pools called Biscoitos, Terceira Island, Azores, Portugal, Atlantic, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day background people incidental people people in the background travel destination travel destinations travel tourist destination coastal coast coastal scene coast scene natural pool volcanic biscoitos terceira island azores portugal portuguese atlantic europe european scenics scenic scene scenes scenery sea water rocky volcanic coast rugged cloud coastline elevated view diminishing perspective vanishing point perspective