top view of islet of vila franca do campo is formed by the crater of an old underwater volcano near san miguel island, azores, por

aerial area atlantic azores background bird caldera campo cliff coast coastline crater destination drone european eye formation formed franca geological green island islet landmark landscape miguel natural nature nobody ocean old outdoor panoramic por portugal portuguese protected san sao scene scenery scenic sea seascape shape sky skyline summer top travel trip tropical underwater vacation view vila volcanic volcano water