The Blue Grotto, Capri Italy. One of the most amazing thing I've seen. The sunlight shines in a cave with a small opening, reflects off the white sand then up thru the water Explore the World with Travel Nerd Nici, one Country at a Time.
Blue Magic on Biševo (Croatia). 'Of the numerous caves around the remote limestone island of Biševo, the Blue Grotto (Modra Špilja) is the most spectacular. On a clear morning, the sun’s rays penetrate through an underwater hole in this coastal c