Police officers detain an opposition protester during a May Day rally in Saint Petersburg, Russia on May 1, 2019. Labor Day or May Day is observed all over the world on the first day of the month of May to celebrate the economic and social achievements of workers and fight for laborers rights. (Photo by Igor Russak/Reuters)

14th Place. Leaf roller weevil (Byctiscus betulae) lateral view. Image Stacking, Reflected Light 3.7X (objective lens magnification). (Photo by Özgür Kerem Bulur/Nikon Small World Photomicrography 2020)

Competitors take part in the International Medieval Combat Federation World Championships at Scone Palace on May 10, 2018 in Perth, Scotland. Thousands of visitors are expected to attend the crowning place of Scottish Kings, Scone Palace for the IMCF World Championships which has five hundred competitors and officials from all over the world, from the UK to as far afield as Australia, South Africa and Mexico. (Photo by Jeff J. Mitchell/Getty Images)

Competitors stretch before taking part in day three of the World Irish Dancing Championships on March 26, 2018 in Glasgow, Scotland. The World Irish Dancing Championships are taking place in Glasgow this week at the Royal Concert Hall, with more than 14,500 dancers and supporters expected to travel to the championships which has run for more than forty years. (Photo by Jeff J. Mitchell/Getty Images)

A bishop walks past a new street-art collage by Italian artist Maupal showing Pope Francis playing tic-tac-toe and drawing peace signs as a Swiss guard keep watches the street near the Vatican on October 19, 2016 in Rome. (Photo by Tiziana Fabi/AFP Photo)

A drone flies above World Surf League World Title winner Hawaian surfer John John Florence during the final heat of the Portuguese stage of the World Surf League championship at Supertubos beach near Peniche, central Portugal, on October 25, 2016. (Photo by Francisco Leong/AFP Photo)

Visitors buy flowers at a flower market on the eve of Hindu goddess Durga Puja festival in Bangalore, India, 10 October 2016. The nine-day Hindu festival celebrates the killing of a demon king by the Goddess Durga representing the victory of good over evil and ends with colourful celebrations all over the country. Navratri festival runs from 03 to 11 October. (Photo by Jagadeesh N.V./EPA)

This May 11, 2016 photo shows the backside of a bus decorated with a provocative mural, in Acapulco, Mexico. (Photo by Enric Marti/AP Photo)