24 hours in pictures

Nyingchi County, China: Tibetan pilgrims pray during their pilgrimage to Lhasa. It estimated that they will spend one and a half years walking and praying on their way, a distance of 1,600km Photograph: China Photos/Getty Images Photograph: China Photos/guardian.co.uk Kiev, Ukraine: Lawmakers fight as the parliament chamber fills with smoke. Eggs and smoke bombs were thrown as parliament ratified a controversial deal with Russia extending the lease of a key naval base Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Al-Tur, West Bank: Palestinian workers stand in line at dawn to cross into Israel Photograph: Uriel Sinai/Getty Images Photograph: Uriel Sinai/guardian.co.uk San Juan, Puerto Rico: A student demonstrates as police block the main entrance to the University of Puerto Rico Photograph: Ricardo Arduengo/AP Photograph: Ricardo Arduengo/guardian.co.uk Kabul, Afghanistan: A boy approaches a car as the rain starts to fall in the centre of the city Photograph: Mauricio Lima/AFP/Getty Images Photograph: Mauricio Lima/guardian.co.uk Allahabad, India: Protesters shout at police as they are detained during a demonstration against inflation Photograph: Rajesh Kumar Singh/AP Photograph: Rajesh Kumar Singh/guardian.co.uk Jerusalem: Arabs and Jews walk through an alley in the Old City Photograph: Bernat Armangue/AP Photograph: Bernat Armangue/guardian.co.uk Norddeich, Germany: A couple walk along a dyke covered with spring flowers at the North Sea coast Photograph: Christian Charisius/Reuters Photograph: Christian Charisius/guardian.co.uk Miami, Florida: Dark clouds pass over a highway Photograph: Carlos Barria/Reuters Photograph: Carlos Barria/guardian.co.uk Walajeh, West Bank: An Israeli border police officer uses pepper spray on a handcuffed Palestinian protester during a demonstration against the construction of Israel's separation barrier Photograph: Nasser Shiyoukhi/AP Photograph: Nasser Shiyoukhi/guardian.co.uk Xiamen, China: The newly opened Xiang'an cross-harbour tunnel, the world's largest section of tunnel, which links the island with mainland China Photograph: ChinaFotoPress/Getty Images Photograph: ChinaFotoPress/guardian.co.uk Akron, Ohio: A lion yawns in Akron Zoo Photograph: Amy Sancetta/AP Photograph: Amy Sancetta/guardian.co.uk