Swiss women's mountainbike Olympic champion Jolanda Neff and her partner Luca Shaw wear protective masks after her arrival at Zurich Airport in Zurich, Switzerland July 29, 2021. REUTERS/Arnd Wiegmann

Swiss women's mountainbike Olympic champion Jolanda Neff wears a protective mask as she displays her gold medal after arriving at Zurich Airport in Zurich, Switzerland July 29, 2021. REUTERS/Arnd Wiegmann

Swiss women's mountainbike Olympic champion Jolanda Neff wears a protective mask as she displays her gold medal after arriving at Zurich Airport in Zurich, Switzerland July 29, 2021. REUTERS/Arnd Wiegmann

Swiss women's mountainbike Olympic champion Jolanda Neff talks to the media after arriving at Zurich Airport in Zurich, Switzerland July 29, 2021. REUTERS/Arnd Wiegmann

A woman, introduced as a representative of the Swiss bank Credit Suisse, speaks as climate activists of the 'Rise up for Change' coalition display a banner to protest in front of the bank's headquarters in Zurich, Switzerland, July 26, 2021. REUTERS/Arnd WIegmann

A climate activist of the 'Rise up for Change' coalition holds up a banner during a protest in front of the headquarters of the Swiss bank Credit Suisse in Zurich, Switzerland, July 26, 2021. REUTERS/Arnd WIegmann

Climate activists of the 'Rise up for Change' coalition display a banner during a protest in front of the headquarters of the Swiss bank Credit Suisse in Zurich, Switzerland, July 26, 2021. REUTERS/Arnd WIegmann

Climate activists of the 'Rise up for Change' coalition display a banner reading: "Our demand to the financial institutions: 1.Transparency of financial flows 2. No money for fossil energies", during a protest in front of the headquarters of the Swiss bank Credit Suisse in Zurich, Switzerland, July 26, 2021. REUTERS/Arnd WIegmann

Climate activists of the 'Rise up for Change' coalition display a banner reading: "Our demand to the financial institutions: 1.Transparency of financial flows 2. No money for fossil energies" during a protest in front of the headquarters of the Swiss bank Credit Suisse in Zurich, Switzerland, July 26, 2021. REUTERS/Arnd WIegmann

An employee of Biohof Corrodi farm harvests a field of wheat near Andelfingen, Switzerland July 23, 2021. Picture taken with a drone. REUTERS/Arnd Wiegmann

An employee of Biohof Corrodi farm harvests a field of wheat near Andelfingen, Switzerland July 23, 2021. Picture taken with a drone. REUTERS/Arnd Wiegmann

An employee of Biohof Corrodi farm harvests a field of wheat near Andelfingen, Switzerland July 23, 2021. Picture taken with a drone. REUTERS/Arnd Wiegmann

An employee of Biohof Corrodi farm harvests a field of wheat near Andelfingen, Switzerland July 23, 2021. Picture taken with a drone. REUTERS/Arnd Wiegmann

An employee of Biohof Corrodi farm harvests a field of wheat near Andelfingen, Switzerland July 23, 2021. Picture taken with a drone. REUTERS/Arnd Wiegmann

The logo of the Swiss Dormakaba security group is seen at its headquarters in Ruemlang, Switzerland, July 22, 2021. REUTERS/Arnd Wiegmann

The logo of the Swiss Dormakaba security group is seen at its headquarters in Ruemlang, Switzerland, July 22, 2021. REUTERS/Arnd Wiegmann

The logo of the Swiss Dormakaba security group is seen at its headquarters in Ruemlang, Switzerland, July 22, 2021. REUTERS/Arnd Wiegmann

The logo of the Swiss Dormakaba security group is seen at its headquarters in Ruemlang, Switzerland, July 22, 2021. REUTERS/Arnd Wiegmann

The logo of Swiss private bank Julius Baer is seen at an office building in Zurich, Switzerland July 20, 2021. Picture taken July 20, 2021. REUTERS/Arnd Wiegmann

The logo of Universal Music Group (UMG) is seen at a building in Zurich, Switzerland July 20, 2021. REUTERS/Arnd Wiegmann

The logo of Universal Music Group (UMG) is seen at a building in Zurich, Switzerland July 20, 2021. REUTERS/Arnd Wiegmann

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, poses in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken July 19, 2021. REUTERS/Denis Balibouse

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, poses in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken July 19, 2021. REUTERS/Denis Balibouse

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, poses in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken July 19, 2021. REUTERS/Denis Balibouse

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, hikes in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken with a drone on July 19, 2021. REUTERS/Denis Balibouse

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, hikes in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken with a drone on July 19, 2021. REUTERS/Denis Balibouse

Yves Auberson, who has Parkinson disease and recently walked 1122 kilometres through the Alps, hikes in a pasture at La Dole in Cheserex near Geneva, Switzerland, July 19, 2021. Picture taken with a drone on July 19, 2021. REUTERS/Denis Balibouse

Firefighters install a mobile inflatable barrier against floods on the Schwanenplatz square in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

Frefighters' installed a mobile inflatable barrier against floods on the Schwanenplatz square in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

People walk past as firefighters prepare a mobile inflatable barrier against floods on the Schwanenplatz square in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

Firefighters and civil protection workers carry sandbags to a mobile flood barrier along the Reuss River in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

People walk past as firefighters prepare a mobile inflatable barrier against floods on the Schwanenplatz square in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

Frefighters prepare a mobile inflatable barrier against floods against floods on the Schwanenplatz square in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

People walk past a mobile inflatable barrier against floods of the Reuss River in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

A flooded ticket counter for boat excursions is seen on the banks of lake Lucerne in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

A flooded lookout is seen on the banks of lake Lucerne in Luzern, Switzerland July 15, 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

Firefighters stand behind a mobile flood barrier along the Reuss River 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

A firefighter places a sandbag behind a mobile flood barrier along the Reuss River in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

A man walks past a flooded lookout on the banks of lake Lucerne in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

The village square flooded after torrential rain is seen in Stansstad, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

Cars drive on a flooded street after torrential rain in Stansstad, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

A car drives on a flooded street after torrential rain in Stansstad, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

Girls walk on a temporary footbridge on the village square flooded after torrential rain in Stansstad, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

A firefighter places a sandbag behind a mobile flood barrier along the Reuss River in Luzern, Switzerland July 15, 2021. REUTERS/Arnd Wiegmann

German Health Minister Jens Spahn and World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus meet for talks in Geneva, Switzerland, July 15, 2021. REUTERS/Andreas Rinke

World Trade Organisation (WTO) Director-General Ngozi Okonjo-Iweala arrives for a WTO ministerial meeting to discuss a draft agreement on curbing subisidies for the fisheries industry at the WTO headquarters in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

Unidentified delegates arrive for a WTO ministerial meeting to discuss a draft agreement on curbing subisidies for the fisheries industry at the World Trade Organisation (WTO) headquarters in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

World Trade Organisation (WTO) Director-General Ngozi Okonjo-Iweala arrives for a WTO ministerial meeting to discuss a draft agreement on curbing subisidies for the fisheries industry at the WTO headquarters in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

Unidentified delegates arrive for a WTO ministerial meeting to discuss a draft agreement on curbing subisidies for the fisheries industry at the World Trade Organisation (WTO) headquarters in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

Li Chenggang, China?s Ambassador to the World Trade Organisation (WTO), gestures during an interview with Reuters aside of a ministerial meeting to discuss a draft agreement on curbing subsidies for the fisheries industry in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

Li Chenggang, China?s Ambassador to the World Trade Organisation (WTO), gestures during an interview with Reuters aside of a ministerial meeting to discuss a draft agreement on curbing subsidies for the fisheries industry in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

A logo is pictured on the World Trade Organisation (WTO) building before a ministerial meeting to discuss a draft agreement on curbing subsidies for the fisheries industry in Geneva, Switzerland, July 15, 2021. REUTERS/Denis Balibouse

A road is blocked as the Lorze River flooded the area after torrential rain near Maschwanden, Switzerland July 14, 2021. REUTERS/Arnd Wiegmann

A man stands on a street in the landscape flooded by the Lorze River after torrential rain near Maschwanden, Switzerland July 14, 2021. REUTERS/Arnd Wiegmann

The landscape flooded by the Lorze River after torrential rain is seen near Maschwanden, Switzerland July 14, 2021. REUTERS/Arnd Wiegmann

The swollen Sihl River is seen after torrential rain in Sihlbrugg, Switzerland July 14, 2021. REUTERS/Arnd Wiegmann

Remaining sunflowers are seen on a destroyed and flooded field after thunderstorms and torrential rain in Ruemlang, Switzerland July 13, 2021. REUTERS/Arnd Wiegmann

A mouse clings to a branch after being taken out of a flooded sunflower field, after thunderstorms and torrential rain in Ruemlang, Switzerland July 13, 2021. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY