A protester wears a mask during clashes with security forces in Cairo, Egypt. Egyptian security forces clashed for a second day in Cairo with hundreds of youths demanding that the country's military rulers speed up prosecution of police officers accused of brutality during mass protests that forced President Hosni Mubarak to step down. (AP)

Riot policemen arrest a protester during clashes in central Athens, Greece. (AP)

An anti-government protester with his face painted in the colors of Yemen's flag shouts during a rally to demand the ouster of Yemen's President Ali Abdullah Saleh in Sana'a, June 28, 2011. (Reuters)

A security guard attempts to restrict a photographer, outside the Thai consulate in Hong Kong, from taking photos of a protest calling for the release of detained Thai human rights activist Somyot Pruksakasemsuk. Thai human rights activist and journalist Somyot Pruksakasemsuk was arrested in Thailand on April 30, 2011 on charges of 'lese majeste', or the crime of insulting the king. (AFP)

Hindu pilgrims are transported by Muslim porters from Pishu Top, some 127 kms southeast of Srinagar, India, during the annual Hindu pilgrimage to the holy cave shrine of Amarnath. (AFP)

Berlin's newest tourist attraction, the Humboldt Box, pictured on its opening day. Located on the grounds of the former Eastern German parliament, the Palace of the Republic, the Humboldt Box lays across the famous Berlin Cathedral and the city's Museum Island. (AP)

A man in body paint and costume walks past cars during a parade celebrating Sexual Diversity Day in Managua, Nicaragua, June 28, 2011. (AP)

Melbourne Zoo's newest primate baby, a three week-old Colobus monkey, is held in the arms of her mother Clover, in Melbourne, Australia. (AFP)