A visitor stands in the exhibition “I Am A Drop In The Ocean” dedicated to the artistic and visual expressions of the protests that shook the Ukraine from November 2013 until February 2014 at the Kuenstlerhaus gallery in Vienna, Austria, Thursday, April 10, 2014. The exhibition opens its doors from April 11 until May 23, 2014. (Photo by Ronald Zak/AP Photo)

This image is NGC 6543 known as the Cat's Eye Nebula as it appears to the Chandra X-Ray Observatory and Hubble Telescope. A planetary nebula is a phase of stellar evolution that the sun should experience several billion years from now, when it expands to become a red giant and then sheds most of its outer layers, leaving behind a hot core that contracts to form a dense white dwarf star. This image was released October 10, 2012. (Photo by J. Kastner/NASA/CXC/RIT)

A German contestant adjusts his helmet during the “Battle of Nations” in Aigues-Mortes, southern France, Friday, May 10, 2013 where Middle Ages fans attend the historical medieval battle competition. The championship will be attended by 22 national teams, which is twice the number it was last year. The battle lasts until May 12. (Photo by Philippe Farjon/AP Photo)

An Indian woman collects camel dung during the annual cattle fair in Pushkar, in the western Indian state of Rajasthan, Sunday, November 10, 2013. Pushkar, located on the banks of Pushkar Lake, is a popular Hindu pilgrimage spot that is also frequented by foreign tourists who come to the town for the annual cattle fair and camel races. (Photo by Ajit Solanki/AP Photo)

A visitor poses behind the artwork “Convergence” by artist Masarrat Fatima M Sulaimani and curated by Samar Kamel at the World Art Dubai fair at the Dubai World Trade Centre in the Gulf Emirate of Dubai, United Arab Emirates, 08 October 2020. Around 2,000 art pieces are displaying at the sixth edition of the World Art Dubai fair which is running from 08 to 10 October 2020. (Photo by Ali Haider/EPA/EFE)

Armenian police officers detain a protestor during an opposition rally in the Freedom Square in Yerevan, Armenia, 12 November 2020. Protesters demanded the resignation of Armenian Prime Minister Nikol Pashinyan and his government. The unrest and protest erupted in Yerevan on 10 November 2020 after Armenian Prime Minister and Presidents of Azerbaijan and Russia signed a trilateral statement announcing the halt of ceasefire and all military operations in the Nagorno-Karabakh conflict zone. (Photo by Stepan Poghosyan/EPA/EFE)

An injured person reacts during a protest against the new government of President Manuel Merino, in San Martin de Lima square, in Lima, Peru, 14 November 2020. Merino took office on 10 November amid a controversial constitutional process after the dismissal of former President Martin Vizcarra for “moral incapacity” by Peruvian Congress. (Photo by Aldair Mejia/EPA/EFE)

Pablo Picasso, famed 66-year-old Spanish artist who has lived most of his life in France, suns himself on a boat on the beach at Golfe Juan in Vallauris on the French Riviera on March 10, 1948. Entering a new period in his varied artistic career, Picasso has turned to painting pottery at the nearby town of Vallauris. (Photo by AP Photo)