A Tribute to the Late, Great Barrier Reef in Pictures

Oliver Lanyon, Senior Ranger in the Great Barrier Reef region of Australia, during an inspection of the reef's condition, June 11, 2015. Huge sections of the Reef, stretching across hundreds of miles of its most pristine northern sector, were recently found to be dead, killed last year by overheated seawater. REUTERS/David Gray
A colourful scene in the Great Barrier Reef off Australia's northeastern coast, Dec. 2003. STR/AFP/Getty Images
Aerial view of the aptly named Heart Reef, a heart-shaped coral reef in the Coral Sea, in the Great Barrier Reef, off the coast of Queensland, Australia. Emmanuel VALENTIN/Gamma-Rapho via Getty Images
Greenpeace activists paint the message "Reef in Danger" on the side of a coal ship on March 7, 2012 in Gladstone, Australia. Greenpeace via Getty Images
Huts that form part of the Lady Elliot Island Eco Resort where a turtle digs for food amongst the coral in the island's lagoon, located 80 kilometers north-east from the town of Bundaberg in Queensland, Australia, June 9, 2015. REUTERS/David Gray
Australian senator Pauline Hanson listens to marine scientist Alison Jones, left, as she displays a piece of coral on the Great Barrier Reef off Great Keppel Island, Nov. 25, 2016. Australian scientists say warming oceans year 2016 have caused the biggest die-off of corals ever recorded on Australia’s Great Barrier Reef. Dan Peled/AAP Image via AP
Bleached coral on Australia's Great Barrier Reef near Port Douglas, Feb. 20, 2017. Greenpeace/Brett Monroe Garner via REUTERS
Tourists stand in front of huts that form part of the Lady Elliot Island Eco Resort where a turtle digs for food amongst the coral. UNESCO said last month that the reef's outlook was "poor". REUTERS/David Gray
Coral hind (Cephalopholis miniata), with tiny reef fishes. Great Barrier Reef, Queensland, Australia, 1999. Auscape/UIG via Getty Images
Peter Gash (L), owner and manager of the Lady Elliot Island Eco Resort, snorkels with Oliver Lanyon and Lewis Marshall, Senior Rangers in the Great Barrier Reef region, 2015. REUTERS/David Gray
A coral reef in the Great Barrier Reef, Australia. Kike Calvo via AP Images
A turtle as it looks for food amongst the coral in the lagoon at Lady Elliot Island northeast of the town of Bundaberg in Queensland, Australia, June 9, 2015. REUTERS/David Gray
Scubadiver doing a safety stop on the Great Barrier Reef, Australia. Kike Calvo via AP Images
An aerial view of Vlassof Cay in the Great Barrier Reef, Nov. 14, 2012, in Cairns, Australia. Mark Kolbe/Getty Images
A damaged reef in the Great Barrier Reef off Australia's northeastern coast, Dec. 2003. STR/AFP/Getty Images
Gladstone Great Barrier Reef at low tide, 2006. De Agostini Picture Library/De Agostini/Getty Images
A Greenpeace diver inspecting corals of the Great Barrier Reef, April 2002. STR/AFP/Getty Images