A rope flushes the surface of the water. On his dinghy, Leggy Luke grabs hold of it to see where it leads him. He lands on an island. Exploring the limestone chasms, tumbling down the crystal walls, he confronts bats and lightning, impressed and fascinated by so many marvels.
Picard offers us a new splendid 3D adventure - this time photographing the sublime landscapes hidden beneath our feet.
A breathtaking epic that will delight all generations!