A man celebrates the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Kreuzlingen's Mayor Thomas Niederberger and Ulrich Burchardt, Mayor of Konstanz, Germany, toast after the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

People celebrate the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

People gather after the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Swiss and German workers remove a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Swiss and German workers remove a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Couple Lukas from Switzerland and Leonie from Germany kiss after the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Couple Lukas from Switzerland and Leonie from Germany embrace after the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Swiss and German workers remove a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Swiss and German workers remove a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

People wait ahead of the removal of a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Kreuzlingen's Mayor Thomas Niederberger talks to Konstanz Mayor Ulrich Burchardt through a double fence on the German-Swiss border, which was set up by Swiss and German authorities as a protection measure due to the spread of the coronavirus disease (COVID-19) in Kreuzlingen, Switzerland May 15, 2020. REUTERS/Arnd Wiegmann

Women look at a double rainbow as they stroll on a beach during the outbreak of coronavirus disease (COVID-19) in Sopot, Poland May 12, 2020. REUTERS/Radu Sigheti

People watch and take pictures of a double rainbow as they stroll on a beach during the outbreak of coronavirus disease (COVID-19) in Sopot, Poland May 12, 2020. REUTERS/Radu Sigheti

A health worker puts on a double glove at Hospital General de Mexico, as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico May 7, 2020. REUTERS/Edgard Garrido

Demonstrators attend a protest to demand support from the government for small businesses and easing of lockdown measures, which were introduced amid the outbreak of the coronavirus disease (COVID-19), in Kiev, Ukraine May 6, 2020. The words on a banner read: "Double standards". REUTERS/Gleb Garanich

A double rainbow is seen above a woman holding an umbrella and selling snacks along the road in Siaya county, Kenya May 3, 2020. REUTERS/Thomas Mukoya

A double rainbow is seen above a woman holding an umbrella and selling snacks along the road in Siaya county, Kenya May 3, 2020. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

A double rainbow is seen behind houses, following the outbreak of the coronavirus disease (COVID-19), in London, Britain, April 30, 2020. REUTERS/Kevin Coombs

A double rainbow is seen in the sky above a garden in Teddington, following the outbreak of the coronavirus disease (COVID-19), in London, Britain, April 30, 2020. REUTERS/Angie Dixon

A man rests on the "Double Check" sculpture in the financial district, during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S. April 23, 2020. REUTERS/Eduardo Munoz

French independent nurse Intissar Gaouzi, wearing protective suit and face mask, talks to a patient at an emergency COVID-19 center inside a gymnasium in Champigny-sur-Marne near Paris as the spread of the coronavirus disease continues in France, April 16, 2020. Picture taken April 16, 2020. REUTERS/Clotaire Achi

French independent nurse Intissar Gaouzi, wearing protective suit and face mask, checks a patient at an emergency COVID-19 center inside a gymnasium in Champigny-sur-Marne near Paris as the spread of the coronavirus disease continues in France, April 16, 2020. Picture taken April 16, 2020. REUTERS/Clotaire Achi

French independent nurse Intissar Gaouzi, wearing protective suit and face mask, checks the temperature of a patient at an emergency COVID-19 center inside a gymnasium in Champigny-sur-Marne near Paris as the spread of the coronavirus disease continues in France, April 16, 2020. Picture taken April 16, 2020. REUTERS/Clotaire Achi

French independent nurse Intissar Gaouzi, wearing protective suit and face mask, poses at an emergency COVID-19 center inside a gymnasium in Champigny-sur-Marne near Paris as the spread of the coronavirus disease continues in France, April 16, 2020. Picture taken April 16, 2020. REUTERS/Clotaire Achi

French independent nurse Intissar Gaouzi, wearing protective suit and face mask, poses at an emergency COVID-19 center inside a gymnasium in Champigny-sur-Marne near Paris as the spread of the coronavirus disease continues in France, April 16, 2020. Picture taken April 16, 2020. REUTERS/Clotaire Achi

The Double Check man is seen on a nearly empty Broadway in the financial district, as the coronavirus disease (COVID-19) outbreak continues, in New York City, New York, U.S., March 23, 2020. REUTERS/Mike Segar

Musicians from the Chinese group "The 2econd" Zhang Cheng, Zhuang Fei and Wen Zheng, perform for their fans during a live-streaming session broadcast on the video sharing website Bilibili at an office in Beijing, China, March 14, 2020. "I see this period as a double-edged sword. Although some performance plans have been postponed, it gave us more time to cool down and reflect on our work and to make it more mature," said Cheng. REUTERS/Thomas Peter SEARCH "COVID-19 LIFE ONLINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Hiroyuki Endo signs autographs for fans after winning his men's doubles final match with Yuta Watanabe against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe with fans after winning his men's doubles final match with Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Hiroyuki Endo signs autographs for fans after winning his men's doubles final match with Yuta Watanabe against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe signs autographs for fans after winning his men's doubles final match with Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate with their trophies after winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate with their trophies after winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate with their trophies after winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate with their trophies after winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate with their trophies after winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe celebrates winning his men's doubles final match with Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo celebrate winning their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 General view of Japan's Yuta Watanabe and Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo during their men's doubles final match Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 General view of Japan's Yuta Watanabe and Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo during their men's doubles final match Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 General view of Japan's Yuta Watanabe and Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo during their men's doubles final match Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 General view of Japan's Yuta Watanabe and Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo during their men's doubles final match Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 General view of Japan's Yuta Watanabe and Hiroyuki Endo against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo during their men's doubles final match Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo in action during their men's doubles final match against Japan's Yuta Watanabe and Hiroyuki Endo Action Images via Reuters/Andrew Boyers

Badminton - All England Open Badminton Championships - Arena Birmingham, Birmingham, Britain - March 15, 2020 Japan's Yuta Watanabe and Hiroyuki Endo in action during their men's doubles final match against Indonesia’s Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo Action Images via Reuters/Andrew Boyers