Swiss police officers stand beside of mock gates of the NEAT Gotthard Base Tunnel inside the event hall for the upcoming opening ceremony near the town of Erstfeld, Switzerland May 31, 2016. The celebrations of the opening of the Gotthard Base Tunnel will start on June 1, 2016. With a length of 57 km (35 miles) crossing the Alps, the Gotthard Base tunnel is the world's longest train tunnel. (Photo by Arnd Wiegmann/Reuters)

A store mannequin with a protective mask stands before a clothes store as they open for the first time since March during the novel coronavirus (COVID-19) pandemic on April 22, 2020 in Berlin, Germany. Small to midsized-shops are opening across Germany this week as state authorities follow a recommendation by the federal government to ease restrictions imposed in March meant to slow the spread of the coronavirus. Some schools are also planning to reopen soon, as are museums and hair salons in coming weeks. (Photo by Maja Hitij/Getty Images)

“The Sunsetter”. An EF-4 tornado rips through the open space of farmland near Rozel, Kansas. This tornado moves slowly but powerful towards the setting sun an gets its beautiful color right before sunset. Storm Chasers are spotting on the left side. Photo location: Rozel, Kansas. (Photo and caption by Dennis Oswald/National Geographic Photo Contest)

ATTENTION! All pictures are presented in high resolution. To see Hi-Res images – just TWICE click on any picture. In other words, click small picture – opens the BIG picture. Click BIG picture – opens VERY BIG picture.

Britain's Emma Raducanu attends a practice session ahead of the Australian Open tennis tournament in Melbourne on January 13, 2022. (Photo by Mike Frey/AFP Photo)

A family takes a picture at the Oscar Myer Wienermobile during a visit to “The Flower Fields”, as California opens up from the pandemic, in Carlsbad, California, U.S., March 31, 2021. (Photo by Mike Blake/Reuters)

Partygoers dance the night away on July 19, 2021 at Astoria Nightclub in Portsmouth, Hampshire, United Kingdom which opened its doors at 12:01am on Monday. (Photo by Paul Jacobs/Picture Exclusive)

A young fan plays a virtual reality game during the first round of the US Open tennis championships, Monday, August 29, 2022, in New York. (Photo by Julia Nikhinson/AP Photo)

Coco Gauff's hand during her second round Australian Open match against Emma Raducanu at Melbourne Park, Melbourne, Australia on January 18, 2023. (Photo by Hannah Mckay/Reuters)