People look at artist Niclas Castello's work "The Castello CUBE" , made of 186 kg, 24-carat, 999.9 fine gold, during a presentation on the Rathausbruecke bridge in Zurich, Switzerland September 22, 2022. REUTERS/Arnd Wiegmann 

People cross from Switzerland to France on a bridge over the drought-affected Doubs River in Les Brenets, Switzerland, August 8, 2022. REUTERS/Denis Balibouse 

A man jumps during sunny weather from a bridge into the Limmat river in Zurich, Switzerland August 4, 2022. REUTERS/Arnd Wiegmann 

Runners cross the Quaibruecke bridge, over the river Limmat at the outflow of Lake Zurich, as they take part in the Zurich Marathon in Zurich, Switzerland April 10, 2022. Picture taken with a drone. REUTERS/Arnd Wiegmann 

Runners start as they take part in the Zurich Marathon along the Quaibruecke bridge, over the river Limmat at the outflow of Lake Zurich, in Zurich, Switzerland April 10, 2022. Picture taken with a drone. REUTERS/Arnd Wiegmann 

Runners cross the Quaibruecke bridge, over the river Limmat at the outflow of Lake Zurich, as they take part in the Zurich Marathon in Zurich, Switzerland April 10, 2022. Picture taken with a drone. REUTERS/Arnd Wiegmann 

Climate activists of Klimastreik Schweiz sit down for a minute of silence on the Quaibruecke Bridge in Zurich, Switzerland September 24, 2021. REUTERS/Arnd Wiegmann 

People stand on a suspension bridge of the Titlis Cliff Walk on Mount Titlis near the Alpine resort of Engelberg, Switzerland August 25, 2021. Picture taken August 25, 2021. REUTERS/Arnd Wiegmann 

A mobile flood barrier is seen along the Reuss River in front of the Kapellbruecke bridge in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann 

People look at the high water levels of the Reuss River in front of the Kapellbruecke bridge and the oldtown in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann 

The view shows the snow-covered Mount Pilatus and the medieval Kapellbruecke bridge behind a weekly market in Luzern, Switzerland May 8, 2021. REUTERS/Arnd Wiegmann 

The view shows the medieval Kapellbruecke bridge and the Wasserturm tower in front of the old town of Luzern, Switzerland May 8 , 2021. REUTERS/Arnd Wiegmann 

The snow-covered Mount Pilatus is seen behind the medieval Kapellbruecke bridge and the Wasserturm tower in Luzern, Switzerland May 8, 2021. REUTERS/Arnd Wiegmann 

The snow-covered Mount Pilatus is seen behind the medieval Kapellbruecke bridge and the Wasserturm tower in Luzern, Switzerland May 8, 2021. REUTERS/Arnd Wiegmann 

Combination of pictures shows the Boeoegg, a snowman made of wadding and filled with firecrackers, burning in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. Picture taken April 19, 2021. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY 

The Boeoegg, a snowman made of wadding and filled with firecrackers, stands on a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. Picture taken April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, burns in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. Picture taken April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, is burns in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. Picture taken April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, stands on a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. Picture taken April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, burns in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, stands atop of a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, is burning in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. REUTERS/Arnd Wiegmann 

The Boeoegg, a snowman made of wadding and filled with firecrackers, is burning in a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY 

The Boeoegg, a snowman made of wadding and filled with firecrackers, stands atop of a bonfire on the landmark of Devil's Bridge in the Schoellenen Gorge near the Alpine resort of Andermatt, Switzerland April 19, 2021. REUTERS/Arnd Wiegmann 

A Swiss flag is pictured on the Mont-Blanc bridge, amid the coronavirus disease (COVID-19) pandemic, in Geneva, Switzerland, March 8, 2021. Picture taken March 8, 2021. REUTERS/Denis Balibouse 

Eastern Swiss Alps are seen in the background as people cross the Limmat River on the Muensterbruecke bridge, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 13, 2021. REUTERS/Arnd Wiegmann 

High water levels of the Rhine River flow past the Mittlere Bruecke bridge, as the spread of the coronavirus disease (COVID-19) continues, in Basel, Switzerland January 28, 2021. Picture taken with long exposure. REUTERS/Arnd Wiegmann 

High water levels of the Rhine River flow past the Mittlere Bruecke bridge, as the spread of the coronavirus disease (COVID-19) continues, in Basel, Switzerland January 29, 2021. Picture taken with long exposure. REUTERS/Arnd Wiegmann 

Snow-covered padlocks are seen on a bridge over the Limmat river, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland January 15, 2021. REUTERS/Arnd Wiegmann 

Snow-covered padlocks are seen on a bridge over the Limmat river, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland January 15, 2021. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY 

People attend a candlelight vigil symbolizing the 886 coronavirus disease (COVID-19) victims in the Canton of Zurich, on the Gemuesebruecke bridge, Zurich, Switzerland December 30, 2020. Picture taken with a drone December 30, 2020. REUTERS/Arnd Wiegmann 

People attend a candlelight vigil symbolizing the 886 coronavirus disease (COVID-19) victims in the Canton of Zurich, on the Gemuesebruecke bridge, Zurich, Switzerland December 30, 2020. Picture taken with a drone December 30, 2020. REUTERS/Arnd Wiegmann 

People attend a candlelight vigil symbolizing the 886 coronavirus disease (COVID-19) victims in the Canton of Zurich, on the Gemuesebruecke bridge, Zurich, Switzerland December 30, 2020. Picture taken with a drone December 30, 2020. REUTERS/Arnd Wiegmann 

886 candles symbolizing the 886 coronavirus disease (COVID-19) victims in the Canton of Zurich burn during a candlelight vigil on the Gemuesebruecke bridge in front of the Grossmuenster church, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland December 30, 2020. REUTERS/Arnd Wiegmann 

A man lights candles symbolizing the 886 coronavirus disease (COVID-19) victims in the Canton of Zurich during a candlelight vigil on the Gemuesebruecke bridge in front of the Grossmuenster church, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland December 30, 2020. REUTERS/Arnd Wiegmann 

People walk past the Bierhalle Wolf beer hall of gastronomy group Holenstein Gastro, which was temporarily closed to bridge the low demand during the COVID-19 period, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland November 4, 2020. REUTERS/Arnd Wiegmann 

A statement from gastronomy group Holenstein Gastro which explains the temporary closure of Bierhalle Wolf beer hall to bridge the low demand during the COVID-19 period, as the spread of the coronavirus disease (COVID-19) continues, is seen in Zurich, Switzerland November 4, 2020. REUTERS/Arnd Wiegmann 

People walk on a bridge in the city center as Switzerland enters a second wave of coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, October 29, 2020. REUTERS/Denis Balibouse 

People walk on the "Ponte dei Salti" (Bridge of the jumps) during an autumn afternoon in Val Verzasca near Locarno, Switzerland October 16, 2020 REUTERS/Denis Balibouse 

People are seen on the Cliff Walk suspension bridge during sunny autumn weather on Mount Titlis near the Alpine resort of Engelberg, Switzerland October 13, 2020. REUTERS/Arnd Wiegmann 

People cycle across the Quaibruecke bridge, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland August 6, 2020. REUTERS/Arnd Wiegmann 

A sign marks a bike lane, as the spread of the coronavirus disease (COVID-19) continues, on the Quaibruecke bridge in Zurich, Switzerland August 6, 2020. REUTERS/Arnd Wiegmann 

Two women jump form a bridge into the Limmat river during hot summer weather, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland June 27, 2020. REUTERS/Arnd Wiegmann 

The Peak Walk bridge is pictured at the Glacier 3000 resort in Les Diablerets, Switzerland June 23, 2020. Picture taken June 23, 2020. REUTERS/Denis Balibouse 

Swiss police officers stand beside a graffiti as activists of environmental group Extinction Rebellion block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Swiss police officers on a boat watch a protestor, who jumped from the Quaibruecke bridge into the Limmat River after running away during a demonstration of environmental group Extinction Rebellion, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Swiss police officers on a boat watch a protestor, who jumped from the Quaibruecke bridge into the Limmat River after running away during a demonstration of environmental group Extinction Rebellion, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Swiss police officers wearing protective masks carry away a protestor as activists of environmental group Extinction Rebellion block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Swiss police officers wearing protective masks carry away a protestor as activists of environmental group Extinction Rebellion block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY 

Swiss police officers carry away a protestor as activists of environmental group Extinction Rebellion block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Swiss police officers carry away a protestor as activists of environmental group Extinction Rebellion block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

A police barrier tape is seen in front of activists of environmental group Extinction Rebellion blocking the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Activists of environmental group Extinction Rebellion wear protective masks as they block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

Activists of environmental group Extinction Rebellion wear protective masks as they block the Quaibruecke bridge, amid the coronavirus disease (COVID-19) outbreak, in Zurich, Switzerland June 20, 2020. REUTERS/Arnd Wiegmann 

People sit down on a bridge during a Black Lives Matter protest, following the death of George Floyd in Minneapolis police custody, in Zurich, Switzerland, June 13, 2020. REUTERS/Michael Schields 

A couple poses after their wedding ceremony amid the coronavirus disease (COVID-19) outbreak, on the Muensterbruecke bridge in Zurich, Switzerland April 14, 2020. REUTERS/Arnd Wiegmann 

An RCMP vehicle in front of the Confederation Bridge as a vehicle passes under a warning sign of the coronavirus disease (COVID-19) checkpoint on Prince Edward Island at Cape Jourimain, New Brunswick, Canada April 2, 2020. REUTERS/John Morris 

The medievial Kapellbruecke bridge and the Wasserturm tower are seen in Luzern, Switzerland March 31, 2020. REUTERS/Arnd Wiegmann 

Folding tables are seen during sunny spring weather on the terrace of a restaurant in front of the medievial Kapellbruecke bridge and the Wasserturm tower in Luzern, Switzerland March 31, 2020. REUTERS/Arnd Wiegmann 

Commuters drive on the Melide bridge on Lake Lugano near the Swiss-Italian border during the outbreak of the coronavirus disease (COVID-19), in Carona, Switzerland, March 9, 2020. Picture taken with a long exposure. REUTERS/Denis Balibouse