Children splash elephants with water in celebration of the Songkran water festival in Thailand's Ayutthaya provinceReutersA tourist reacts as an elephant sprays her with water in celebration of the Songkran water festival in Thailand's Ayutthaya province. Songkran marks the start of Thailand's New YearReutersA boy prays during a Buddhist novice ordination ceremony in Mae Hong Son, ThailandGettyKate Middleton and Prince William's son Prince George plays with his mother's hair during his first royal engagement in Wellington, New ZealandMarty Melville/AFPA model wearing a wedding dress rehearses for the Lan Yu show at Mercedes-Benz Fashion Week Australia 2014 at Carriageworks in SydneyAFPGuests listen during a speech from the Queen in honour of Ireland's President Michael D Higgins at a state banquet in WindsorDan Kitwood/GettyMartin McGuinness, Deputy First Minister of Northern Ireland and former senior IRA commander, attends a state banquet in honour of the President of Ireland Michael D Higgins in WindsorDan Kitwood/GettyIrish President Michael D Higgins and his wife Sabina at Westminster Abbey inspect a memorial to Earl Mountbatten who was killed by an IRA bomb in 1979 GettyAn Aymara woman takes a ride in a cable car linking the cities of El Alto and La Paz in BoliviaReutersA man standing on top of a chimney in Beijing holds a handwritten petition as negotiators on an aerial ladder talk to him. The man was convinced by negotiators to come down after spending three hours on the chimneyReutersRiot police remove a protester at a former temporary refugee camp at Oranienplatz in the Kreuzberg district of Berlin, Germany. Several hundred riot police sealed off the square after, according to an eyewitness, violence broke out between refugees who had accepted a deal by the city to leave the camp and a small number who insisted on stayingGettyDidier Reynders, Belgium's minister of foreign affairs, talks to Karen Lottin, sister of one of the 10 Belgian commandos killed during the Rwandan genocide, at a memorial ceremony in Kigali . An estimated 800,000 people were killed in 100 days during the genocide in 1994ReutersA masked female member of the anti-balaka, a Christian militia, holds a machete in the village of Zawa, Central African RepublicReutersStreet cleaners sweep away bullet cases as they remove rubbish and a barricade erected by pro-Russian protesters near a building of the state security service in Donetsk, eastern UkraineReutersFree Syrian Army fighters run as they help a fellow rebel in eastern al-Ghouta, near DamascusReuters