The conservation team at the Natural History Museum clean Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

The conservation team at the Natural History Museum clean Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

The conservation team at the Natural History Museum clean Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

The conservation team at the Natural History Museum clean Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

A conservation team member at the Natural History Museum cleans Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

A conservation team member at the Natural History Museum cleans Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

A conservation team member at the Natural History Museum cleans Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

The conservation team at the Natural History Museum clean Hope, a blue whale skeleton during preparations to reopen, after the outbreak of the coronavirus disease (COVID-19) caused its closure, in London, Britain July 27, 2020. Picture taken July 27, 2020. REUTERS/Dylan Martinez

Bags of oysters are seen in a tank at Hog Island Oyster Co. in Marshall, California, U.S., May 22, 2020. The company has kept a skeleton crew onsite to maintain its oyster farm amid the coronavirus pandemic. Picture taken May 22, 2020. REUTERS/Nathan Frandino

A bag of oysters is seen at Hog Island Oyster Co. in Marshall, California, U.S., May 22, 2020. The company has kept a skeleton crew onsite to maintain its oyster farm amid the coronavirus pandemic. Picture taken May 22, 2020. REUTERS/Nathan Frandino

Terry Sawyer (R), Hog Island Oyster Co. co-founder and Cesar Bernal, farm operations manager, prepare to head out on a boat to one of the company's farm plots on Tomales Bay in Marshall, California, U.S., May 22, 2020. The company has kept a skeleton crew onsite to maintain its oyster farm amid the coronavirus pandemic. Picture taken May 22, 2020. REUTERS/Nathan Frandino

Terry Sawyer, Hog Island Oyster Co. co-founder sifts through juvenile virginica oysters taken from one of the company's farm plots in Tomales Bay in Marshall, California, U.S., May 22, 2020. The company has kept a skeleton crew onsite to maintain its oyster farm amid the coronavirus pandemic. Picture taken May 22, 2020. REUTERS/Nathan Frandino

Terry Sawyer, co-founder of Hog Island Oyster Co., looks out over Tomales Bay in Marshall, California, U.S., May 22, 2020. The company has kept a skeleton crew onsite to maintain its oyster farm amid the coronavirus pandemic. Picture taken May 22, 2020. REUTERS/Nathan Frandino

Visitors wearing protective masks inspect the skeleton of a dinosaur during the reopening of the Museum of Natural Sciences as the country began easing lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium May 19, 2020. REUTERS/Francois Lenoir

Visitors wearing protective masks inspect the skeleton of a dinosaur during the reopening of the Museum of Natural Sciences as the country began easing lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium May 19, 2020. REUTERS/Francois Lenoir

Skeletons are placed at a table in a restaurant, as most Spanish provinces are allowed to ease restrictions during phase one amid the coronavirus disease (COVID-19) outbreak, in Malaga, Spain, May 18, 2020. REUTERS/Jon Nazca

A waiter wearing a protective face mask passes by skeletons placed at a table on his way to serve customers, as most Spanish provinces are allowed to ease restrictions during phase one amid the coronavirus disease (COVID-19) outbreak, in Malaga, Spain, May 18, 2020. REUTERS/Jon Nazca

A skeleton is pictured in the window of a shop in St. Andrews, amid the coronavirus disease (COVID-19), in Fife, Scotland, Britain May 13, 2020. REUTERS/Lee Smith

A skeleton model is seen in a window of St Thomas' Hospital, London, Britain, April 8, 2020. REUTERS/Simon Dawson

A staff member prepares a skeleton for a program "School on Third" at Croatian National Television (HRT) headquarters in Zagreb, March 17, 2020. From March 16 due to coronavirus disease (COVID-19) all schools in Croatia are closed, children can attend school at home on Croatian National Television and online. REUTERS/Antonio Bronic

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhma and Eric Franke cross the finish line to win bronze REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp cross the finish line to win silver REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Silver medalists Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp, gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller, and bronze medalists Germany's Nico Walther, Paul Krenz, Joshua Bluhma and Eric Franke celebrate on the podium REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller celebrate. REUTERS/Matthias Rietschel TPX IMAGES OF THE DAY

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Silver medalists Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp, gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller, and bronze medalists Germany's Nico Walther, Paul Krenz, Joshua Bluhma and Eric Franke celebrate on the podium REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller celebrate. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller celebrate. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Gold medalists Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller celebrate. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller cross the finish line to win gold. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller cross the finish line to win gold. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller cross the finish line to win gold. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller cross the finish line to win gold. REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller cross the finish line to win gold. REUTERS/Matthias Rietschel TPX IMAGES OF THE DAY

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Dominik Dvorak, Dominik Suchy, Jan Sindelar, and Jakub Nosek of Czech Republic in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Latvia's Oskars Kibermanis, Lauris Kaufmanis, Davis Springis and Matiss Miknis in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm and Eric Franke in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm and Eric Franke in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm and Eric Franke in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 First placed Jacqueline Loelling and Alexander Gassner of Germany celebrate with their gold medals as third placed Mattia Gaspari and Valentina Margaglio of Italy look on from the podium after the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Jaqueline Loelling in action during the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 Germany's Alexander Gassner in action during the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 First placed Jacqueline Loelling and Alexander Gassner of Germany celebrate with their gold medals as second placed Jane Channell and David Greszczyszyn of Canada and third placed Mattia Gaspari and Valentina Margaglio of Italy look on from the podium after the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 First placed Jacqueline Loelling and Alexander Gassner of Germany celebrate with their gold medals as second placed Jane Channell and David Greszczyszyn of Canada look on from the podium after the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - Skeleton Mixed Team - DKB Eiskanal Altenberg, Altenberg, Germany - March 1, 2020 First placed Jacqueline Loelling and Alexander Gassner of Germany pose with their gold medals with second placed Jane Channell and David Greszczyszyn of Canada and third placed Mattia Gaspari and Valentina Margaglio of Italy on the podium after the Skeleton Mixed Team competition REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Latvia's Oskars Kibermanis, Lauris Kaufmanis, Davis Springis and Matiss Miknis in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Latvia's Oskars Kibermanis, Lauris Kaufmanis, Davis Springis and Matiss Miknis in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Canada's Justin Kripps, Ryan Sommer, Cameron Stones and Benjamin Coakwell in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Canada's Justin Kripps, Ryan Sommer, Cameron Stones and Benjamin Coakwell in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Latvia's Oskars Kibermanis, Lauris Kaufmanis, Davis Springis and Matiss Miknis in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Latvia's Oskars Kibermanis, Lauris Kaufmanis, Davis Springis and Matiss Miknis in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Germany's Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Germany's Francesco Friedrich, Candy Bauer, Martin Grothkopp and Alexander Schueller in action REUTERS/Matthias Rietschel TPX IMAGES OF THE DAY

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm, Eric Franke in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm, Eric Franke in action REUTERS/Matthias Rietschel

Bobsleigh - Bobsleigh & Skeleton World Championships - 4-Man Bobsleigh - DKB Eiskanal Altenberg, Altenberg, Germany - February 29, 2020 Germany's Nico Walther, Paul Krenz, Joshua Bluhm, Eric Franke in action REUTERS/Matthias Rietschel