A protester uses molotov cocktails against riot police during May Day protests on May 1, 2010 in Athens, Greece. (Photo by Milos Bicanski /Getty Images)

Japan Agricultural Cooperation Kagawa employees arrange cubic watermelons to be shipped within the country, in Zentsuji city, Kagawa prefecture, western Japan, Wednesday, June 24, 2020. The about 18x18x18-centimeter (7x7x7-inch) square watermelons, grown in transparent square containers, will be sold for about 10,000 yen ($94) each. (Photo ny Maiko Hirai/Kyodo News via AP Photo)

Girls in floral crowns jump across the bonfire while holding hands during the Kupala Night celebration at the National Museum of Folk Architecture and Life in Pyrohiv, Kyiv, capital of Ukraine. (Photo by Ukrinform/Rex Features/Shutterstock)

Italian disabled dancer Simona Atzori (top) performs, before a special audience with disabled athletes led by Pope Francis, in Paul VI hall at the Vatican October 4, 2014. (Photo by Tony Gentile/Reuters)

Iran's Hanieh Rajabi performs during the women's Daoshu competition at the 13th Wushu World Championships in Jakarta, Indonesia, Monday, November 16, 2015. (Photo by Tatan Syuflana/AP Photo)

Entomologist Anna Platoni wears a hat made of tropical flowers made by florist Emma Reynolds with a Blue Morpho butterfly on her cheek to mark the opening of Butterflies in the Glasshouse at RHS Garden Wisley, south of London, on Janurary 15, 2016. (Photo by Luke MacGregor/PA Wire/RHS)

Pakistani female police commandos attend a training session in Nowshera, near Peshawar Pakistan, Wednesday, February 11, 2015. Authorities formed a Special Combat Unit after Taliban militants stormed a Peshawar school on Dec. 16, 2014 and massacred 150 children and teachers. (Photo by Mohammad Sajjad/AP Photo)

People walk past a New Year fir tree made of toys at a park in Krasnoyarsk, Siberia, Russia January 2, 2017. (Photo by Ilya Naymushin/Reuters)