Check out these photos from Lake Geneva, Switzerland! Not sure if they are real or not... amazing.

http://www.duderick.com/attachment.php?id=17915

http://www.duderick.com/attachment.php?id=17914

http://www.duderick.com/attachment.php?id=17916

http://www.duderick.com/attachment.php?id=17912

http://www.duderick.com/attachment.php?id=17911

http://www.duderick.com/attachment.php?id=17910

http://www.duderick.com/attachment.php?id=17909