marble cave island, capillas de marmol island in chile

arch austral azure beautiful blue boat bottom calcium capillas carbonate carrera carretera catedral cathedral cave caves chapel chile clear cliff colorful column deep diving environment formation formations general geologic geological geology green grotto highway hole island lake landmark landscape limestone marble marmol mountain narrow natural nature patagnonia patagonia puerto pure reflection rio rock shape shores small snow stone temple tourism tranquilo travel tunnel turquoise unique unusual view wall water white wonder