Scientists explore the extraordinary mass nesting behaviour of the olive ridley sea turtle.
Locals call it the "arribada", Spanish for "arrival": the magical days and nights when tens of thousands of sea turtles come ashore on Costa Rica's Pacific coast to lay millions of eggs. In 'Turtle Beach' Canadian naturalist and cinematographer Hugo Kitching follows a team of international scientists on a groundbreaking expedition to uncover the mysteries of this rare phenomenon.
