A child looks across the frozen Yenisei River in the taiga area some 52 km (32 miles) south of Russia's Siberian city of Krasnoyarsk. Ilya Naymushin/Reuters
NASA illustration shows aesthetic close-up of cosmic clouds and stellar winds featuring LL Orionis, interacting with the Orion Nebula flow in this image released on February 4, 2013. Adrift in Orion's stellar nursery and still in its formative years, variable star LL Orionis produces a wind more energetic than the wind from our own middle-aged Sun. ESA and the Hubble Heritage Team//NASA/Reuters
Former Cuban leader Fidel Castro speaks to reporters at a polling station in Havana February 3, 2013. Castro, 86, voted in Cuba's general election on Sunday and chatted with well wishers and Cuban reporters in Havana for more than an hour, in his first extended public appearance since 2010. Marcelino Vazquez/Reuters
Workers are seen in the Strategic Tunnel Enhancement Programme (STEP) pumping station tunnel, developed by the Abu Dhabi Sewerage Services Company (ADSSC), in Al Wathba area in Abu Dhabi. STEP will be one of the longest gravity-driven wastewater tunnels in the world, according to local media. Ben Job/Reuters
A Venezuelan soldier attends a military parade to commemorate of the 21st anniversary of Venezuelan President Hugo Chavez's attempted coup d'etat in Caracas . Chavez is still in Cuba recovering from surgery and has not been seen in public since December 8 last year. Jorge Silva/Reuters
Two girls offer prayers to Cambodia's former King Norodom Sihanouk in Phnom Penh. Sihanouk's body had been lying in state at the Royal Palace after being flown from Beijing where he died Oct. 15 of a heart attack at the age of 89. Wong Maye-E/AP
An Afghan man walks in the Karte Sakhi cemetery, during a snowfall in Kabul, Afghanistan. Kabul has been experiencing below freezing weather and snow for several days. Ali Hamed Haghdoust/AP
Women wear costumes as they take part in the Jacmel Carnaval February 3, 2013. Swoan Parker/Reuters
The remains found underneath a car park last September at the Grey Friars excavation in Leicester have been declared 'beyond reasonable doubt' to be the long lost remains of England's King Richard III, missing for 500 years. Richard was immortalized in a play by Shakespeare as a hunchbacked usurper who left a trail of bodies — including those of his two young nephews, murdered in the Tower of London — on his way to the throne. University of Leicester/AP
A postal service employee prepares to cancel the Rosa Parks' 100th birthday commemorative postage stamp at The Henry Ford museum in Dearborn, Mich. The museum held a 12-hour celebration of the 100th anniversary of Parks’ birth. Carlos Osorio/AP
Members of the Young Afghan Traditional Ensemble listen as some of their fellow musicians take the stage during a performance at the State Department in Washington DC. Jonathan Ernst /Reuters
A farmer plants rice seedlings in Gowa district, in Indonesia's South Sulawesi province. Yusuf Ahmad/Reuters
A Lebanese kisses her friend as they attend a protest demanding a law that guarantees any Lebanese citizen the right to a civil marriage in Beirut, Lebanon. Hussein Malla/AP
Decorative red lanterns are hung on trees ahead of the Chinese Lunar New Year celebrations at Ditan Park (the Temple of Earth) in Beijing. The Lunar New Year, or Spring Festival, begins on February 10 and marks the start of the Year of the Snake. Jason Lee/Reuters
In a statement marking the fifth anniversary of Gross's detention earlier this month, Obama hinted that his release could lead to a thaw in relations with Cuba. Many are watching to see if this could lead to an end of the decades-long US economic embargo.
American Alan Gross has been released from a Cuban prison after five years, as part of an agreement that also includes the release of three Cubans jailed in the United States, senior U.S. officials said Wednesday.