Stock photography, photos: Clear blue sea Stock photos of Crystal clear mediterranean waters at Linara, Kalymnos, Greece Photograph: © Alistair Baird Click for a larger image and more information Keywords associated with this stock photo: blue flag, blue, azure, snorkel, seaside, lanara, kantouni, kalymnos, dodecanese, greece, greek, mediterranean, sunbathe, swimming, lazing, holiday, summer, tranquil