Great Barrier Reef episode 3: The Great Barrier Reef is vitally linked to the rest of the planet in many ways. Creatures travel for thousands of miles to visit in spectacular numbers, including tiger sharks, great whales, sea birds and the largest green turtle gathering on earth.     Alternative stream   Alien creatures that are rarely seen, like nautilus, also rise out of the deep to visit the reef’s warm waters. Weather systems travelling from across the Pacific also affect the whole reef, including mighty cyclones that bring destruction and chaos to the coral and the creatures that live

Great Barrier Reef episode 2: Three-part series exploring Australia’s Great Barrier Reef, one of the natural wonders of the world and the largest living structure on our planet. Monty Halls explores its full 2,000-kilometre length, from the wild outer reefs of the Coral Sea to the tangled mangrove and steaming rainforest on the shoreline; from large mountainous islands to tiny coral cays barely above sea level; from the dark depths of the abyss beyond the reef to colourful coral gardens of the shallows.     Alternative stream   Along the way, he experiences the reef at its most dangerous and

Great Barrier Reef episode 1: Three-part series exploring Australia’s Great Barrier Reef, one of the natural wonders of the world and the largest living structure on our planet. Monty Halls explores its full 2,000-kilometre length, from the wild outer reefs of the Coral Sea to the tangled mangrove and steaming rainforest on the shoreline, from large mountainous islands to tiny coral cays barely above sea level, from the dark depths of the abyss beyond the reef to colourful coral gardens of the shallows.     Alternative stream   Along the way, he experiences the reef at its most dangerous and