Engine driver Josef Kowatsch (top L) steers a train through the NEAT Gotthard Base Tunnel during a media visit near the town of Erstfeld August 24, 2015. Crossing the Alps, the world's longest train tunnel should become operational at the end of 2016, consisting of two parallel single track tunnels, each of a length of 57 km (35 miles). (Photo by Arnd Wiegmann/Reuters)

A bystander walks past a fresco by street artist Seth depicting a girl with a Ukrainian flag walking on tanks in Paris on March 01, 2022. (Photo by Joel Saget/AFP Photo)

Actors, clowns and mime artists celebrate “Humor Day” in St Petersburg on April 1, 2022. April 1 is also referred to as “April Fool’s Day” and is a time for playing pranks in the country. (Photo by Anatoly Maltsev/European Press Photo Agency)

A volunteer approaches a male toad to pick him up from a road near Berlin on March 18, 2012 in Gueterfelde, Germany. (Photo by Sean Gallup/Getty Images)

An Anti-Capitalist protestor from the Occupy LSX movement at St. Paul's Cathedral on February 22, 2012 in London, England. (Photo by Matthew Lloyd/Getty Images)

#Petheadz – is an Instagram series by Zach Rose, a 23 year old photographer/filmmaker from Toronto. (Photo by Zach Rose)

A picturesque supercell formation in the northwest of Booker, Texas from June 2013. (Photo by Mike Olbinski/Barcroft Media)

An incredible clear-air lightning display from storms to the east of Noonamah, just outside Darwin on April 6, 2015. (Photo by Jacci Ingham/The Guardian)