The six-months-old female koala cub holds on to the back of zoo keeper Lena at the zoo in Duisburg, Germany, 23 October 2015. The yet unnamed baby weighs 580 grams. (Photo by Roland Weihrauch/EPA)

A model displays a creation by French designer Jean Paul Gaultier during the Dominicana Moda Fashion Week in Santo Domingo October 24, 2015. (Photo by Ricardo Rojas/Reuters)

Ukraine's Ruslana performs her song Wild Dance ands wins the Eurovision Song Contest on May 15, 2004 at the Abdi Ipekci Stadium, in Istanbul, Turkey. The event – hosted by last year's winners Turkey – also celebrates the 30th Anniversary of ABBA's win. (Photo by Christopher Furlong/Getty Images)

Astronaut Edwin E. Aldrin Jr. walks near the Lunar Module during the Apollo 11 extravehicular activity July 20, 1969 on the Moon. (Photo by NASA/Newsmakers)

A model walks the runway at the Iris Van Herpen Haute Couture autumn winter 2011 fashion show during Paris Haute Couture Week on July 4, 2011 in Paris, France. (Photo by Nathalie Lagneau/Catwalking/Getty Images)

Libya's leader Muammar Gaddafi attends a meeting with Italian President Giorgio Napolitano at the Quirinale Palace on June 10, 2009 in Rome, Italy. Colonel Gaddafi is in Rome to attend a meeting of G8 Development Ministers. (Photo by Franco Origlia/Getty Images). ROME – JUNE 10

A model showcases designs by Metias as part of the LMFF Offsite Runway 1 show on day six of the 2011 L'Oreal Melbourne Fashion Festival at Peninsula Central Pier Docklands on March 19, 2011 in Melbourne, Australia. (Photo by Marianna Massey/Getty Images)

In this May 2, 2015 photo, skywriter Nathan Hammond releases smoke as he writes messages of hope and love over New Orleans, during the New Orleans Jazz & Heritage Festival. Hammond was commissioned by local entrepreneur, Frank Scurlock, who said the messages were simply his way of reminding people that goodness can still flourish in a world that seems increasingly marred by violence. (Photo by Gerald Herbert/AP Photo)