France's President Emmanuel Macron gestures as he attends the Lebanon donors' conference, gathering online representatives of international institutions and heads of state, one year after Beirut port blast, at the Fort de Bregancon, in Bormes-Les-Mimosas, Var, France August 4, 2021. Lebanon marks a year since a cataclysmic explosion ravaged Beirut, with a mix of grief over lost lives and rage at the impunity for its worst peacetime disaster at a time when its economy was already in tatters. Christophe Simon/Pool via REUTERS 

France's President Emmanuel Macron gestures as he attends the Lebanon donors' conference, gathering online representatives of international institutions and heads of state, one year after Beirut port blast, at the Fort de Bregancon, in Bormes-Les-Mimosas, Var, France August 4, 2021. Lebanon marks a year since a cataclysmic explosion ravaged Beirut, with a mix of grief over lost lives and rage at the impunity for its worst peacetime disaster at a time when its economy was already in tatters. Christophe Simon/Pool via REUTERS 

CORRECTION In an earlier version of this article, the story incorrectly stated the iceberg was a similar size to Jamaica. This has been changed to say a similar shape to Jamaica. The Iceberg A68a has been on a slow journey toward cataclysm in South Georgia Island, in the southern Atlantic 

A parking lot is flooded by the river Moselle due to heavy rainfalls in western Europe, in Kobern-Gondorf near Koblenz, Germany, February 4, 2020. REUTERS/Wolfgang Rattay 

A street sign is flooded by the river Moselle due to heavy rainfalls in western Europe in Winning near Koblenz, Germany, February 4, 2020. REUTERS/Wolfgang Rattay 

A shipping pier of a sport yachts harbour and a park bench are flooded by the river Moselle due to heavy rainfalls in western Europe in Winning near Koblenz, Germany, February 4, 2020. REUTERS/Wolfgang Rattay 

A park bench is flooded by the river Moselle due to heavy rainfalls in western Europe in Winning near Koblenz, Germany, February 4, 2020. REUTERS/Wolfgang Rattay 

A man walks on a road blanketed with volcanic ash from the erupting Taal Volcano in Tagaytay, Philippines, January 14, 2020. REUTERS/Eloisa Lopez TPX IMAGES OF THE DAY 

Trees and houses covered with volcanic ash from the erupting Taal Volcano are pictured in Tagaytay, Philippines, January 14, 2020. REUTERS/Eloisa Lopez 

Inflatables floating on Taal Lake are covered with volcanic ash in a resort near the erupting Taal Volcano in Talisay, Batangas, Philippines, January 14, 2020. REUTERS/Eloisa Lopez 

A basketball court is blanketed with volcanic ash in a resort near the erupting Taal Volcano in Talisay, Batangas, Philippines, January 14, 2020. REUTERS/Eloisa Lopez 

Burnt trees are seen at a beach where people had previously taken shelter during a fire on New Year's Eve in Mallacoota, Australia January 10, 2020. REUTERS/Tracey Nearmy 

Girls walks past ash washed up on a beach where people had previously taken shelter during a fire on New Year's Eve in Mallacoota, Australia January 10, 2020. REUTERS/Tracey Nearmy 

Empty sunbeds are seen during a low tide at the beach of the Red Sea resort of Sahl Hasheesh, Hurghada, Egypt January 8, 2020. Picture taken January 8, 2020. REUTERS/Amr Abdallah Dalsh 

A damaged model human skeleton is seen in the aftermath of Hurricane Dorian on the Great Abaco island town of Marsh Harbour, Bahamas, September 3, 2019. Picture taken September 3, 2019.REUTERS/Dante Carrer 

A car destroyed by the Camp Fire is seen in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

A house destroyed by the Camp Fire is seen in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

A tattered American flag hangs near homes destroyed by the Camp Fire in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

A children's toy destroyed by the Camp Fire is seen in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

A car destroyed by the Camp Fire is seen in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

Damage from the Camp Fire is seen in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

Deer walk through an area destroyed by the Camp Fire in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

A firefighter extinguishes a hot spot in a neighbourhood destroyed by the Camp Fire in Paradise, California, U.S., November 13, 2018. REUTERS/Terray Sylvester 

Firefighters battle the Woolsey Fire as it continues to burn in Malibu, California, U.S., November 11, 2018. REUTERS/Eric Thayer TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam 

Firefighters battle the Woolsey Fire in Malibu, California, U.S. November 9, 2018. The fire destroyed dozens of structures, forced thousands of evacuations and closed a major freeway. REUTERS/Eric Thayer TPX IMAGES OF THE DAY 

A vineyard burns overnight during a wildfire that destroyed dozens of homes in Thousand Oaks, California, U.S. November 9, 2018. REUTERS/Eric Thayer TPX IMAGES OF THE DAY 

Smoke is seen over the ocean as the Woolsey Fire burns in Malibu, California, U.S. November 9, 2018. REUTERS/Eric Thayer TPX IMAGES OF THE DAY 

A home burns during a wildfire that claimed dozens of others in Thousand Oaks, California, U.S. November 9, 2018. REUTERS/Eric Thayer TPX IMAGES OF THE DAY 

A fishing boat is seen on land in the area hit by the tsunami in the coast line in Palu, Central Sulawesi, Indonesia, October 13, 2018. Picture taken October 13, 2018. REUTERS/Jorge Silva 

Cars caught in flood water after Storm Callum passed through the town of Carmarthen, west Wales, Britain, October 14, 2018. REUTERS/Rebecca Naden 

Fields covered in flood water after Storm Callum passed through the town of Carmarthen, west Wales, Britain, October 14, 2018. REUTERS/Rebecca Naden 

A car caught in flood water after Storm Callum passed through the town of Carmarthen, west Wales, Britain, October 14, 2018. REUTERS/Rebecca Naden 

A car caught in flood water after Storm Callum passed through the town of Carmarthen, west Wales, Britain, October 14, 2018. REUTERS/Rebecca Naden 

A destroyed home is pictured following Hurricane Michael in Mexico Beach, Florida, U.S., October 13, 2018. REUTERS/Carlo Allegri 

A church's steeple lays on the ground following Hurricane Michael in Mexico Beach, Florida, U.S., October 13, 2018. REUTERS/Carlo Allegri 

Trees toppled by Hurricane Michael surround a house in Panama City, Florida, U.S., October 13, 2018. REUTERS/Terray Sylvester 

A fishing boat is seen on land in the area hit by the tsunami on the coastline in Palu, Central Sulawesi, Indonesia October 13, 2018. REUTERS/Jorge Silva 

A fishing boat is seen among palm trees in the area hit by the tsunami on the coastline in Palu, Central Sulawesi, Indonesia October 13, 2018. REUTERS/Jorge Silva 

A U.S. flag flies following Hurricane Michael in Mexico Beach, Florida, U.S., October 12, 2018. REUTERS/Carlo Allegri 

A foundation of a ruined home is pictured following Hurricane Michael in Mexico Beach, Florida, U.S., October 12, 2018. REUTERS/Carlo Allegri 

A sailboat lies aground on the shoreline of the Apalachicola River in the aftermath of Hurricane Michael at Apalachicola, Florida, U.S. October 12, 2018. REUTERS/Steve Nesius 

Women sort out rubbles from what has remained of their home after a landslide rolled down the slopes of Mt. Elgon through the Nanyinza village in Bududa district, Uganda October 12, 2018. REUTERS/Newton Nambwaya 

A flag flies over ruined homes following Hurricane Michael in Mexico Beach, Florida, U.S., October 12, 2018. REUTERS/Carlo Allegri 

Aerial photo shows a sailboat upended after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows a boat destroyed after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows sailboats destroyed after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows homes destroyed after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows homes washed away after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows homes destroyed after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

Aerial photo shows homes destroyed after Hurricane Michael smashed into Florida's northwest coast in Mexico Beach, Florida, U.S., October 11, 2018. Picture taken on October 11, 2018. Chris O'Meara/Pool via REUTERS 

A ravaged local soccer field is seen after heavy rain and flash floods hit Sant Llorenc de Cardassar on the island of Mallorca, Spain, October 11, 2018. REUTERS/Enrique Calvo 

Apung mosque is seen sinking after the tsunami next to the beach in Palu, Central Sulawesi, Indonesia, October 9, 2018. REUTERS/Jorge Silva TPX IMAGES OF THE DAY 

Apung mosque is seen sinking after the tsunami next to the beach in Palu, Central Sulawesi, Indonesia, October 9, 2018. REUTERS/Jorge Silva