Russians play accordions as they walk near the building of the Federal Security Service (FSB, Soviet KGB successor) in Lubyanskaya Square to mark May Day in Moscow, Russia, Sunday, May 1, 2016. As in Soviet times, about one hundred thousand of cheerful workers paraded across Red Square despite a chilly rain, but instead of red flags with the Communist hammer and sickle, they waved the blue flags of the dominant Kremlin party and the Russian tricolor. (Photo by Alexander Zemlianichenko/AP Photo)

A Nepalese Hindu devotee takes a holy bath as they mark the Mother's Day Festival at Matathirtha on the outskirts of Kathmandu on May 6, 2016. Nepalese Hindu devotees come from across the country to bathe, offer prayers and leave offerings at the Matathirtha Temple during the event, which honours mothers who have passed away. (Photo by Prakash Mathema/AFP Photo)

Georgie Bain takes a selfie with her horse in “Best Friends” in Aberdeen, United Kingdom, Date Unknown. For the first time, the founders of the Comedy Wildlife Photography Awards have launched a photography award show giving proud pet owners a chance to show off their quirky pets. (Photo by Georgie Bain/Barcroft Images/Comedy Pet Photography Awards)

A racegoers cheers on her horse in Race 4 ahead of the race of the Melbourne Cup at Flemington Racecourse in Melbourne, Australia, Tuesday, November 7, 2017. (Photo by Andy Brownbill/AP Photo)

The Lamb National takes place for the racegoers at Ascot Racecourse on April 2, 2017 in Ascot, England. (Photo by Alan Crowhurst/Getty Images)

Andrey Karr from Western Riders Slacklines at sunset above big waves in Nazare, Portugal on December 27, 2017. (Photo by Aidan Williams/National Geographic Travel Photographer of the Year Contest)

Rapper Future attends his “Future City” Birthday Party at Magic City on November 20, 2018 in Atlanta, Georgia. (Photo by Prince Williams/Wireimage)

Prospective flight attendants listen to their instructor during an etiquette training course at Indigo Airlines' Ifly training centre in Gurgaon on the outskirts of New Delhi November 18, 2014. (Photo by Adnan Abidi/Reuters)