Astonishing underwater shots taken from past years of the world-famous Wildlife Photographer of the Year competition.

All the pictures in this collection have been celebrated in the past decades by the Wildlife Photographer of the Year competition--the world's most famous and prestigious event of its kind. They include some of the most exceptional underwater images of animal behavior ever taken. The collection represents the work of more than 50 international photographers and decades of diving experience. Accompanied by the stories of how they were taken and the behavior they revealed, they give us a glimpse into a world few of us would otherwise ever get to see.