A logo of Swiss bank UBS is seen next to a Swiss flag in Zurich, Switzerland March 20, 2023. REUTERS/Denis Balibouse 

A logo of Swiss bank UBS is seen next to a Swiss flag in Zurich, Switzerland March 20, 2023. REUTERS/Denis Balibouse 

Russian flags are seen at the Russian Mission in Geneva, Switzerland March 2, 2023. REUTERS/Denis Balibouse 

Ambassadors and delegates hold signs and flags in support of Ukraine during a speech by Russian Deputy Foreign Minister Sergei Ryabkov (not pictured) at the Conference on Disarmament at the United Nations in Geneva, Switzerland March 2, 2023. REUTERS/Emma Farge 

The flags alley is seen outside the United Nations building during the Human Rights Council in Geneva, Switzerland, February 27, 2023. REUTERS/Denis Balibouse 

People hold flags during a demonstration against the Republic of Iran in the Place des Nations during the Human Rights Council at the United Nations in Geneva, Switzerland, February 27, 2023. REUTERS/Denis Balibouse 

A flag is seen on a building during the Human Rights Council at the United Nations in Geneva, Switzerland February 27, 2023. REUTERS/Denis Balibouse 

The flags of Germany and World Health Organisation (WHO) sit ahead of a statement by German Health Minister Karl Lauterbach and Director-General of the World Health Organisation (WHO) Dr. Tedros Adhanom Ghebreyesus, in Geneva, Switzerland, February 2, 2023. REUTERS/Denis Balibouse 

U.S. and China's flags are pictured during a meeting of U.S. Treasury Secretary Janet Yellen and Chinese Vice Premier Liu He in Zurich, Switzerland, January, 18, 2023. REUTERS/Denis Balibouse 

Alpine Skiing - FIS Alpine Ski World Cup - Men's Downhill - Wengen, Switzerland - January 14, 2023 Spectators display the flag of Switzerland REUTERS/Leonhard Foeger 

A United Nations flag flies on the day of a summit on climate resilience in Pakistan, months after deadly floods in the country, at the United Nations, in Geneva, Switzerland, January 9, 2023. REUTERS/Denis Balibouse 

Flags of United Nations and Pakistan are seen on the day of a summit on climate resilience in Pakistan, months after deadly floods in the country, at the United Nations, in Geneva, Switzerland, January 9, 2023. REUTERS/Denis Balibouse 

A Russian flag is seen in the diplomatic mission in Geneva, Switzerland, December 16, 2022. REUTERS/Denis Balibouse 

Soccer Football - FIFA World Cup Qatar 2022 - Group B - Iran v United States - Al Thumama Stadium, Doha, Qatar - November 29, 2022 General view of Iran, Asian Football Confederation, Qatar and United States flags before the match REUTERS/Fabrizio Bensch 

Switzerland's national flag flies above a logo of Swiss bank Credit Suisse in front of a branch office in Bern, Switzerland November 29, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies above a logo of Swiss bank Credit Suisse in front of a branch office in Bern, Switzerland November 29, 2022. REUTERS/Arnd Wiegmann 

Children wave flags ahead of a welcoming ceremony for Italian President Sergio Mattarella by the President of the Swiss Confederation Ignazio Cassis in Bern, Switzerland November 29, 2022. REUTERS/Arnd Wiegmann 

A member of the public with a Confederate flag symbol on his hat attends the Public Order Emergency Commission in Ottawa, Ontario, Canada November 25, 2022. REUTERS/Blair Gable 

A Swiss flag is pictured on a ferris wheel during an autumn sunrise in Geneva, Switzerland, November 3, 2022. REUTERS/Denis Balibouse 

Tennis - ATP 500 - Swiss Indoors Basel - St. Jakobshalle, Basel, Switzerland - October 28, 2022 A fan holds up a flag in support of Switzerland's Stan Wawrinka during his quarter final match against Spain's Roberto Bautista Agut REUTERS/Arnd Wiegmann 

A Confederate Battle Flag flies outside a business in Congress, Arizona, U.S., October 8, 2022. REUTERS/Brian Snyder 

Switzerland's national flag and the European Union flag fly on a balcony at a residential building in Zurich, Switzerland October 6, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies in front of a balcony at a residential building in Zurich, Switzerland October 6, 2022. REUTERS/Arnd Wiegmann 

Flags with UEFA logo are seen outside of the Union of European Football Associations headquarters in Nyon, Switzerland, October 5, 2022. REUTERS/Denis Balibouse 

Flags with UEFA logo are seen outside of the Union of European Football Associations headquarters in Nyon, Switzerland, October 5, 2022. REUTERS/Denis Balibouse 

The flag of the European Union and Ukraine's national flag fly at a building in Bern, Switzerland September 19, 2022. REUTERS/Arnd Wiegmann 

A man waves a Swiss national flag during the "Sichlete" farmers festival in front of the Swiss federal parliament Bundeshaus in Bern, Switzerland September 19, 2022. REUTERS/Arnd Wiegmann 

Flags fly in front of the headquarters of Swiss energy producer Axpo Holding in Baden, Switzerland, September 6, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies behind a poster reading: "More imports instead of regional food? NO to the unnecessary animal husbandry initiative", before Swiss voters decide on an animal husbandry initiative, among other issues, on September 25, near Arni, Switzerland, September 1, 2022. REUTERS/Arnd Wiegmann 

A Confederate flag flies on a hilltop outside of Bristol, Tennessee, U.S., August 31, 2022. When the U.S. Supreme Court overturned Roe v. Wade ending the nationwide right to terminate a pregnancy, abortion services moved a mile up the road from Bristol, Tennessee to Bristol, Virginia, where abortion remained legal. REUTERS/Evelyn Hockstein 

Climbers place a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

Climbers place a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

A cablecar descents beside as climbers place a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

A cablecar descends in front of a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

A cablecar descends in front of a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

A cablecar descends in front of a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

A cablecar descends in front of a huge 6,400-square-metre (68,890-square-foot) Swiss national flag on the western face of the north-eastern Swiss landmark Mount Saentis, Switzerland July 31, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies in front of the headquarters of Swiss bank Credit Suisse in Zurich, Switzerland July 27, 2022. REUTERS/Arnd Wiegmann 

A woman poses beside a Swiss national flag near Mount Piz Palue and the Pers Glacier, near the Alpine resort of Pontresina, Switzerland July 21, 2022. REUTERS/Arnd Wiegmann 

Switzerlands national flag flies over the Lugano-Giardino pier in Lugano, Switzerland July 3, 2022. REUTERS/Arnd Wiegmann 

Flags stand in front of the Convention Centre, the venue of the upcoming Ukraine Recovery Conference (URC2022) in Lugano, Switzerland July 3, 2022. REUTERS/Arnd Wiegmann 

The ICRC flag is seen on the headquarters of the International Committee of the Red Cross (ICRC) in Geneva, Switzerland, June 28, 2022. REUTERS/Denis Balibouse 

The ICRC flag flies on the headquarters of the International Committee of the Red Cross (ICRC) in Geneva, Switzerland, June 28, 2022. REUTERS/Denis Balibouse 

The UN flag is seen at the United Nations headquarters in Geneva, Switzerland, June 28, 2022. REUTERS/Denis Balibouse 

A flag of Swiss Skyguide air navigation service providers flies in front of their building in Duebendorf, Switzerland June 15, 2022. REUTERS/Arnd Wiegmann 

Soccer Football - UEFA Nations League - Group B - Switzerland v Spain - Stade de Geneve, Lancy, Switzerland - June 9, 2022 Switzerland fans wave flags inside the stadium before the match REUTERS/Denis Balibouse 

Soccer Football - UEFA Nations League - Group B - Switzerland v Spain - Stade de Geneve, Lancy, Switzerland - June 9, 2022 Switzerland flags are seen on the seats inside the stadium before the match REUTERS/Denis Balibouse 

Switzerland's national flag flies behind soldiers of the Swiss Army's 21st Signal Battalion before a ceremony at the medieval Castelgrande castle in Bellinzona, Switzerland June 8, 2022. Picture taken June 8, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies above soldiers of the Swiss Army's 21st Signal Battalion before a ceremony at the medieval Castelgrande castle in Bellinzona, Switzerland June 8, 2022. Picture taken June 8, 2022. REUTERS/Arnd Wiegmann 

Switzerland's national flag flies over the entrance of the Swiss Federal Criminal Court (Bundesstrafgericht) in Bellinzona, Switzerland June 7, 2022. REUTERS/Arnd Wiegmann 

A Swiss and Geneva flags are pictured on the St-Pierre Cathedral in Geneva, Switzerland, May 31, 2022. REUTERS/Denis Balibouse 

Swiss police officers speak with protestors, one of which is carrying a flag of environmental group Fridays for Future, during the World Economic Forum 2022 (WEF) in the alpine resort of Davos, Switzerland May 22, 2022. Picture taken May 22, 2022. REUTERS/Arnd Wiegmann 

Swiss police officers speak with protestors, one of which is carrying a flag of environmental group Fridays for Future, during the World Economic Forum 2022 (WEF) in the alpine resort of Davos, Switzerland May 22, 2022. Picture taken May 22, 2022. REUTERS/Arnd Wiegmann 

Blue and yellow paint, colours of the Ukrainian national flag, is seen on the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

A view of the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it with blue and yellow paint, colours of the Ukrainian national flag, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

A view of the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it with blue and yellow paint, colours of the Ukrainian national flag, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

Blue and yellow paint, colours of the Ukrainian national flag, is seen on the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

A view of the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it with blue and yellow paint, colours of the Ukrainian national flag, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

Blue and yellow paint, colours of the Ukrainian national flag, is seen on the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann 

A view of the Suvorov Monument, dedicated to the Russian general Alexander Suvorov and soldiers who perished fighting Napoleon's forces in Switzerland in the 18th Century, after people vandalised it with blue and yellow paint, colours of the Ukrainian national flag, at the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland May 18, 2022. REUTERS/Arnd Wiegmann