Tourist Police sit in the shade on a road leading to the Coptic Cairo area on May 27, 2011 in Cairo, Egypt. Protests in January and February brought an end to 30 years of autocratic rule by President Hosni Mubarak who will now face trial. Food prices have doubled and youth unemployment stands at 30%. Tourism is yet to return to pre-uprising levels. (Photo by Peter Macdiarmid/Getty Images)

The May Queen during the Beltane Fire Festival in Edinburgh, Scotland on April 30, 2022. A dynamic reinterpretation of an ancient Celtic celebration of the return of summer, the festival is centered around the story of the May Queen and the Green Man, and the lighting of the Beltane bonfire, symbolic of purification, healing and new life. Edinburgh's Beltane celebrations are the largest of their kind in the world with around 250 volunteer performers and thousands of spectators. (Photo by Jane Barlow/PA Images via Getty Images)

An undated handout image provided by UNICEF Germany on 20 December 2016 shows the “UNICEF Photo of the Year 2016” by Iranian freelance photographer Arez Ghaderi. Ghaderi won the first prize for his picture of a girl in a makeshift tent city in the Razavi Khorasan province, Iran, it was announced at a ceremony in Berlin, Germany on 20 December 2016. (Photo by Ariz Ghaderi/EPA/UNICEF Deutschland)

Convention goers dressed as bright colored Wookiees, a fictional species from the US epic space opera franchise Star Wars, prepare for a group photo outside the Comic Con 2016 in San Diego, California, USA, 22 July 2016. The San Diego Comic Con 2016 runs from 21 until 24 July. (Photo by David Maung/EPA)

Festival-goers take a bath in a mud pool during the 20th Boryeong Mud Festival on Daecheon beach in Boryeong City, some 190 kilometers west of Seoul, South Korea, 22 July 2017. Tourists flock to the area to experience the beneficial properties of the Boryeong mud, as well as for a variety of entertainment events. The festival runs from 21 until 30 July. (Photo by Jeon Heon-Kyun/EPA/EFE)

A protester sprays paint on the window of a bank during a rally against Expo 2015 in Milan, Italy, April 30, 2015. The Milan Expo will open in the city on May 1. Officials are counting on some 20 million visitors to the six month-long exhibition of products and technologies from around the world. (Photo by Stefano Rellandini/Reuters)

A boy holds a toy rifle as Hamas militants parade at a rally just over a week after a cease-fire was reached in an 11-day war between Hamas and Israel, Sunday, May 30, 2021, in Beit Lahia, northern Gaza Strip. (Photo by Felipe Dana/AP Photo)

Decorated eggs are seen at the egg museum in Winden am See, Austria, March 25, 2016. The collection of Austrian artist Wander Bertoni contains about 4000 eggs. (Photo by Christian Bruna/EPA)