This September 22, 2014 photo, shows a building with street art murals in the Santurce neighborhood in San Juan, Puerto Rico. (Photo by Ricardo Arduengo/AP Photo)
Co-Host Kristin Chenoweth speaks onstage at the American Country Awards 2011 at the MGM Grand Garden Arena on December 5, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Dr. P.A. Smithe was sent by the American Red Cross as a doctor and surgeon to work at a hospital in Vienna. He sailed to Europe in December 1915 and returned home in August 1916, according to his daughter, who donated his images to the National World War I Museum. Photo: Turkish army, including cavalry, infantry and artillery. (Photo by Dr. P.A. Smithe/National World War I Museum, Kansas City, Mo.)
Snorkellers approach an adult manatee at Three Sisters Spring, Crystal River, Florida. You might imagine that coming face to face with one of these enormous underwater mammals would cause some concern. However, the likelihood is that the rotund creature just wants you to scratch its belly while it floats around happily, as world-renowned underwater photographer Alex Mustard discovered. (Photo by Alexander Mustard/Barcroft Media)
Members of the Nepalese ethnic Madhesi community daub each other's faces with coloured powders during Holi festival celebrations in Kathmandu on March 6, 2015. The Holi festival of colours is a riotous celebration of the coming of spring and falls on the day of the full moon in March every year. AFP PHOTO / PRAKASH MATHEMA (PRAKASH MATHEMA/AFP/Getty Images)