A window cleaner passes a lighter to his colleague while rappelling from a new building in Tianjin March 23, 2007. (Photo by Reuters/Stringer)

Canadian fashion model Winnie Harlow poses on the red carpet during the MTV Europe Music Awards, in Budapest, Hungary, November 14, 2021. (Photo by Marton Monus/Reuters)

English actress and model Amy Jackson poses for photographers upon arrival at the premiere of the film “Monster” at the 76th international film festival, Cannes, southern France, Wednesday, May 17, 2023. (Photo by Vianney Le Caer/Invision/AP Photo)

A medical staff member rests next to a patient infected with Covid-19 in the intensive care unit of Lozenets Hospitalin Sofia on November 9, 2021. Bulgaria is among the countries with the highest number of deaths compared to its population. (Photo by Nikolay Doychinov/AFP Photo)

The scene in Star Lane, Dunmow, Essex, after a steam traction engine from Sussex on its way to the Saffron Walden Crank Up weekend steam show, crashed into a private dwelling on Friday, April 21, 2023. (Photo by Nicholas.T.Ansell/PA Images via Getty Images)

Logan Edra of the United States, known as Logistx, competes in the Women's Breaking dance Round robin of the Paris 2024 Olympic Games at La Concorde in Paris, on August 9, 2024. (Photo by Angelika Warmuth/Reuters)

A member of the “Castellers Minyons de Terrassa” adjusts her belt before forming a human tower or ÒcastellÓ during the festival of the patron saint of Barcelona “The Virgin of Mercy” at Sant Jaume square in Barcelona, Spain, September 20, 2015. The formation of human towers is a tradition in Catalonia dating back to the 18th century. (Photo by Susana Vera/Reuters)

Each year Nikon Small World recognizes the excellence of photography taken under the microscope. The contest showcases the beauty and complexity of life. Anyone interested in microscopy and photography can enter the contest and in its 42nd year, Nikon Small World received 2,000 entries from 70 countries. Here: 11th Place; Scales of a butterfly wing underside (Vanessa atalanta). (Photo by Francis Sneyers/Nikon's Small World 2016)