Junction of the Rhone (left) and Arve (right) rivers in Geneva, Switzerland. The Rhone is just exiting Lake Geneva. The Arve receives water from the many glaciers of the Chamonix valley (mainly the Mer de Glace) and has a much higher level of silt.
sea cave, Malta - Sea caves or the Blue Grotto are located on the island of Filfla in Malta. These caves are popular for their beauty and their location when combined with the sunrise, leads to beautiful shades of blue in the water.