Its shores are epic, its coast is wild. Dive into the Celtic deep. The coastline of Wales is imbued with Celtic myth and mystery. The animals that live here are perfectly adapted to this rapidly changing and dramatic environment where the land and the ocean meet. From the shallow seas to the deep ocean that sits between the coast of Wales and Ireland, this is a marine superhighway for some of the greatest animals on earth. This is a journey into an unknown territory, that few people ever get to see.