Today's top images - 07/28/2013

Pope Francis watches a performance during a prayer vigil with hundreds of thousands of young Catholic pilgrims attending World Youth Day at Copacabana beach in Rio de Janeiro on July 27, 2013, during his week-long visit to Brazil. (AFP)

Young Bahraini Shiite Muslim girls read the Koran, Islam's holy book, during the holy fasting month of Ramadan at a mosque in the village of Sanabis, west of Manama, on July 27, 2013. (AFP)

Raphael Holzdeppe of Germany competes in the mens pole vault event during the London Anniversary Games International Association of Athletics Federations (IAAF) Diamond League International Athletics championships at the Olympic Stadium in London on July 27, 2013. (AFP)

Two Polish nuns laugh on the shore as hundreds of thousands of young Catholic pilgrims attending World Youth Day (WYD) start gathering at Copacabana beach in Rio de Janeiro for a prayer vigil with Pope Francis, on July 27, 2013. (AFP)

Nantes' Italo-Venezuelan defender Gabriel Cichero (R) fights for the ball with Rennes' French forward Mevlut Erding during their French L1 friendly football match on July 27, 2013 at the "Route de Lorient" stadium in Rennes, western France. (AFP)

Italy's synchronised swimming team compete in the free combination final during the synchronised swimming competition in the FINA World Championships at the Palau Sant Jordi in Barcelona, on July 27, 2013. (AFP)

A photographer takes pictures during a prayer vigil of hundreds of thousands of young Catholic pilgrims attending World Youth Day (WYD) headed by Pope Francis, at Copacabana beach in Rio de Janeiro on July 27, 2013, during his week-long visit to Brazil. (AFP)

Participants in the Tomato Blast at Soldier Field splash in a parking lot full of burst tomatoes on July 27, 2013 in Chicago. The festival is modeled after Spain's annual La Tomatina Fest. (AFP)

An indigenous man takes pictures during a prayer vigil of hundreds of thousands of young Catholic pilgrims attending World Youth Day headed by Pope Francis at Copacabana beach in Rio de Janeiro on July 27, 2013. (AFP)

Hot air-balloons fly over Chambley-Bussieres, eastern France on July 27, 2013 as part of the yearly event "Lorraine Mondial Air Ballons", an international air-balloon meeting. (AFP)

A demonstrator is arrested by the police during a students and workers protest against the government, in Lima on July 27, 2013. (AFP)

Luggage of travellers of the derailed train that killed 78 people 3 days ago, are pictured at a sports centre in the northern Spanish city of Santiago de Compostela, on July 27, 2013. (AFP)