Two of the three seven-week-old Sumatran tiger cubs at at ZSL London Zoo explore the outdoor paddock of their home in Tiger Territory for the first time...Brian Jordan / ZSL...The tiger cubs' mother Melati takes one of the cubs back to bed. In the 1970s, there were estimated to be 1,000 Sumatran tigers in the wild, today's figures show there are just 300. Should their numbers continue to decline at this rate, Sumatran tigers will face the very real threat of extinction within the next decadeBrian Jordan / ZSLRussia's Victoria Sinitsina and Ruslan Zhiganshin compete during the ice dance short dance programme at the ISU World Figure Skating Championships in Saitama, JapanReutersGermany's Nelli Zhiganshina and Alexander Gazsi compete during the ice dance short dance routine and react at the "kiss and cry" area at the ISU World Figure Skating Championships in Saitama, JapanReutersThai anti-government protesters march in Bangkok after the general election held last month was declared invalid in a ruling from the Constitutional CourtAFPProtesters wearing masks demonstrate against the 2014 FIFA World Cup Brazil in Rio de JaneiroGettyA mother kisses her child as she walks past graffiti in MumbaiReutersA woman passes graffiti depicting Russian President Vladimir Putin extending a hand to the Ukrainian people, in the Crimean city of SimferopolReutersThe wedding dress and suit of Armend and Miranda Cerkezi hang in a bedroom at Armend's mother Ferdonije Cerkezi's house in the town of Gjakova. Cerkezi has transformed her house into a museum filled with items owned by her husband and four sons, who went missing after Serbian forces took them away 15 years ago on March 27, 1999, during the Kosovo war. Only the remains of two of them have been found, identified and reburied. Armend is still missingReutersFrench climber Alain Robert, also known as Spiderman, climbs the 152-metre Ariane Tower in the La Defense financial and business district outside ParisReutersMuslims attend Friday prayers at the National Mosque in Kuala Lumpur, MalaysiaReutersSatellite image shows a map of the planned search area for missing Malaysian Airlines Flight MH370. The search area has shifted closer to the western Australian coast after radar analysis suggested the airliner did not travel as far south as originally thoughtAMSA/GettyA rescuer stands on flooded Highway 530 as search efforts continues in the mud and debris from a massive mudslide that struck Oso near Darrington, Washington StateReutersA photo is seen in the debris as Air Force personnel join civilian workers in efforts to find missing persons following a deadly mudslide in Oso, WashingtonReutersA man looks down at an unexploded barrel bomb dropped by forces loyal to Syria's President Bashar al-Assad at a cemetery in the al-Qatanah neighbourhood of AleppoReutersThe entrance to a tunnel exposed by the Israeli military is seen on the Israeli side of the border with GazaReutersBusiness Secretary Vince Cable stands with the Bridget rover at Airbus Defence and Space in Stevenage. The Mars Yard provides a test-bed area for prototype roversAFPIndonesian Hindus take part in ceremonies to mark Melasti, a purification festival, at Petitenget beach in Kuta on BaliAFPThe Queen and Duke of Edinburgh pose with Watermen and Lightermen of the Thames during a reception at Waterman's Hall in the City of London, to celebrate the 800th anniversary of the Royal WatermenGettyThe Queen listens to a speech by Lloyd's Chairman John Frederick Nelson as she visits the Lloyds of London buildingGettyGerman Chancellor Angela Merkel holds a gift, a model Volkswagen bus, during an election campaign rally in MunichAFPPro-Tibet activists hold up placards reading 'Good girl Angie' and 'I say nothing about human rights' as they demonstrate prior to the arrival of Chinese President Xi Jinping at Bellevue presidential palace in BerlinReuters
