The logo of Russia's mining company Norilsk Nickel (Nornickel) is seen during the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg, Russia June 15, 2022. REUTERS/Maxim Shemetov 

Euro coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Pound coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Euro coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Pound coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Euro coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Pound coins plunge into water in this illustration taken, May 23, 2022. REUTERS/Dado Ruvic/Illustration 

Wiley Nickel reacts after he won the Democratic nomination for the United States House seat for the state in Raleigh, North Carolina, U.S., May 17, 2022. REUTERS/Jonathan Drake 

Wiley Nickel speaks after he won the Democratic nomination for the United States House seat for the state in Raleigh, North Carolina, U.S., May 17, 2022. REUTERS/Jonathan Drake 

Wiley Nickel reacts after he won the Democratic nomination for the United States House seat for the state in Raleigh, North Carolina, U.S., May 17, 2022. REUTERS/Jonathan Drake 

Wiley Nickel speaks after he won the Democratic nomination for the United States House seat for the state in Raleigh, North Carolina, U.S., May 17, 2022. REUTERS/Jonathan Drake 

The name of commodity trader Metal Trade Overseas AG (Norilsk Nickel Group) is seen on a letter box in Zug, Switzerland March 28, 2022. REUTERS/Arnd Wiegmann 

A general view shows Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva 

A dump truck is loaded with ore at Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva 

A general view shows Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva 

A view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva 

An employee works at Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva 

An interior view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva 

A general view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva 

An employee works at Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva 

A view through a bus window shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 22, 2021. Picture taken August 22, 2021. REUTERS/Tatyana Makeyeva 

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, and diplomats from other countries pose for a family photo at the embassy in Beijing as a court in Dandong rules on the case of Michael Spavor, charged with espionage in June 2019, China August 11, 2021. REUTERS/Florence Lo 

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, and diplomats from other countries leave after posing for a family photo at the embassy in Beijing as a court in Dandong rules on the case of Michael Spavor, charged with espionage in June 2019, China August 11, 2021. REUTERS/Florence Lo 

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, speaks at the embassy in Beijing as a court in Dandong rules on the case of Michael Spavor, charged with espionage in June 2019, China August 11, 2021. REUTERS/Florence Lo 

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, speaks at the embassy in Beijing as a court in Dandong rules on the case of Michael Spavor, charged with espionage in June 2019, China August 11, 2021. REUTERS/Florence Lo 

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, speaks at the embassy in Beijing as a court in Dandong rules on the case of Michael Spavor, charged with espionage in June 2019, China August 11, 2021. REUTERS/Florence Lo 

Andy Keen looks over a field of his canola near Manitou, Manitoba, July 6, 2021. Hot, dry weather has caused canola to flower too early, harming its yield potential. REUTERS/Rod Nickel 

Andy Keen looks over a field of his canola near Manitou, Manitoba, July 6, 2021. Hot, dry weather has caused canola to flower too early, harming its yield potential. REUTERS/Rod Nickel 

Toban Dyck inspects his wheat near Winkler, Manitoba, July 6, 2021. Hot, dry weather has resulted in thin, uneven stands. REUTERS/Rod Nickel 

Andy Keen looks over a field of his canola near Manitou, Manitoba, July 6, 2021. Hot, dry weather has caused canola to flower too early, harming its yield potential. REUTERS/Rod Nickel 

Toban Dyck inspects his wheat near Winkler, Manitoba, July 6, 2021. Hot, dry weather has resulted in thin, uneven stands. REUTERS/Rod Nickel 

Toban Dyck inspects his wheat near Winkler, Manitoba, July 6, 2021. Hot, dry weather has resulted in thin, uneven stands. REUTERS/Rod Nickel 

Andrey Bugrov, Senior Vice President for sustainable development at Norilsk Nickel, attends a session of the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg, Russia, June 4, 2021. REUTERS/Evgenia Novozhenina 

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore are paraded in front of empty stands after winning the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell 

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore are taken to the parade ring after winning the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell 

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Runners in action during the 5:15 Goffs UK Nickel Coin Mares' Standard Open NH Flat Race Pool via REUTERS/Peter Powell 

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Me Too Please ridden by Rachael Blackmore win the 5:15 Goffs UK Nickel Coin Mares’ Standard Open NH Flat Race Pool via REUTERS/Peter Powell 

Horse Racing - Grand National Festival - Aintree Racecourse, Liverpool, Britain - April 8, 2021 Runners in action during the 5:15 Goffs UK Nickel Coin Mares' Standard Open NH Flat Race Pool via REUTERS/Peter Powell 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media outside Beijing No. 2 Intermediate People's Court after a trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, stands outside Beijing No. 2 Intermediate People's Court after a trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media outside Beijing No. 2 Intermediate People's Court after a trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media outside Beijing No. 2 Intermediate People's Court after a trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, walks outside Beijing No. 2 Intermediate People's Court after a trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, walk beside members of the media outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, stands near police officers outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, looks on outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand among other diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, walk beside members of the media outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media beside William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, at an entrance of Beijing No. 2 Intermediate People's Court after they were denied access to attend the trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media beside William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, at an entrance of Beijing No. 2 Intermediate People's Court after they were denied access to attend the trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media beside William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, at the entrance of Beijing No. 2 Intermediate People's Court after they were denied access to attend the trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, walk out from the entrance of Beijing No. 2 Intermediate People's Court after they were denied access to attend the trial of Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media beside William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, at an entrance of Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, talks to the media beside William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, at an entrance of Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, walk outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins 

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, stand outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins