Encyclopedia Britannica editions are seen at the New York Public Library on March 14, 2012 in New York City. Encyclopedia Britannica announced it will be ceasing its print edition of reference books for the first time in its 244-year history to focus solely on digital versions. (Photo by Mario Tama/Getty Images)

Members of the American Civil War Society take part in a mock battle in the grounds of Cusworth Hall, South Yorkshire on July 2, 2011 in Doncaster, United Kingdom. Enthusiasts from all walks of life are taking part in re-enacting scenes from the American Civil War and in 'living history' events which are as authentic as possible. (Photo by Christopher Furlong/Getty Images)

Adrienne Yip takes a picture of her Burmese mountain dog named “Walter”, beneath the cherry blossoms in peak bloom at the Tidal Basin with the Washington Monument seen behind, in Washington, DC, USA, 18 March 2024. Peak bloom, as defined when seventy percent of the cherry blossoms are open, is occuring this week. This year's peak bloom, beginning the 17th of March, is tied for the second earliest in history and is seen as a reflection of warming temperatures. (Photo by Michael Reynolds/EPA/EFE/Rex Features/Shutterstock)

Ana Louzi and Junio Enriuque dance for a video during sunrise from SUMMIT One Vanderbilt on World Photography Day on August 19, 2022 in New York City. Summit One Vanderbilt opened the 1000-foot observation beginning at 5 AM to allow ticketed members of the general public and photo enthusiasts to see sunrise from the elevated altitude. World Photography Day is an “annual, worldwide celebration of the art, craft, science and history of photography” according to their website. (Photo by Alexi Rosenfeld/Getty Images)

An undercover police officer, who had been marching with anti-police demonstrators, aims his gun at protesters after some in the crowd attacked him and his partner in Oakland, California December 10, 2014. Police said more than 100 demonstrators marched in Berkeley, California, which has a history of social activism. Under cloudy skies, turnout was smaller than earlier in the week, when demonstrators in the area threw rocks at police and shut down a major freeway. (Photo by Noah Berger/Reuters)

Supporters of the presidential candidate Muhammadu Buhari and his All Progressive Congress hits with a motorbike another supporter during celebrations in Kano March 31, 2015. Nigeria's opposition APC declared an election victory on Tuesday for former military ruler Buhari and said Africa's most populous nation was witnessing history with its first democratic transfer of power. (Photo by Goran Tomasevic/Reuters)

Crews move a 39 foot long, 16 foot tall, 2400 lbs. replica of a Tyrannosaurus Rex from behind the Museum Of Science And History in Jacksonville, Fla., to its new location in front of the entrance of the museum Wednesday morning, May 20, 2015, to kickoff the upcoming Dinosaurs Unearthed exhibit. The exhibiti, which opens this week, includes animatronic dinosaurs as well as prehistoric fossils and runs through September 7. (Photo by Bob Self/The Florida Times-Union via AP Photo)