The giant inflatable Rubber Duck installation by Dutch artist Florentijn Hofman floats on the Parramatta River, as part of the 2014 Sydney FestivalReutersThe barred spiral galaxy M83, also known as the Southern Pinwheel, is seen in a new NASA Hubble Space Telescope mosaicNASA/ReutersThe Mount Sinabung volcano spews ash during an eruption, as seen from Berastepu village in Karo district, Indonesia's North Sumatra provinceReutersA family stands while watching Mount Sinabung volcano spew ash at Berastepu village in Karo district, Indonesia's North Sumatra provinceReutersPaulo Goncalves of Portugal reacts as his Honda motorbike burns during the fifth stage of the Dakar Rally 2014 from Chilecito to Tucuman, ArgentinaReutersA man is held hostage at an electric bicycle maintenance shop in Kunming, capital of China's southwest Yunnan province. Police successfully rescued the hostage and detained the suspect after a four-hour standoff. The suspect took a construction worker hostage with a knife, after being chased by police for stealing a mountain bikeReutersPalestinian students crawl on a military-styled exercise course conducted by the Hamas-run ministry of education, in Rafah in the southern Gaza StripReutersA frozen crane-shaped fountain with icicles is seen at a park in TokyoReutersIndian soldiers take part in the rehearsal for the Republic Day parade on a cold winter morning in New DelhiReutersAndy Murray reacts after losing a point during an exhibition match against Australia's Lleyton Hewitt at the Kooyong Classic tennis tournament in MelbourneReutersSinger Tulisa Contostavlos leaves Southwark Crown Court in London where she denied being concerned with the supply of Class A drugsReutersWorkers pour molten bronze into moulds of "The Actor" statuettes for the 20th annual Screen Actors Guild Awards at American Fine Arts Foundry in Burbank, CaliforniaReuters