A Chinese boy chases bubbles while playing with other children at Beijing's Zoo on International Children's Day on Tuesday. Muhammed Muheisen/AP
Students train at the Shenyang Qianjin Acrobatic School in Liaoning province, China, on Tuesday. Students aged 6 to 12 years from all over China receive training at the school for about 6 to 8 years before they are ready to perform on stage. Sheng Li/Reuters
A visitor enters a room about goalkeepers at the exhibition 'World Cup's from A to Z,' which shows the history of World Cup soccer tournaments in Sao Paulo, Brazil, on Tuesday. The picture of chickens refers to the Brazilian way of calling a bad goalkeeper 'frango' or chicken. Nelson Antoine/AP
Protesters shout slogans during a demonstration outside the Israeli consulate in Istanbul, Turkey, on Tuesday. Israel's deadly raid on a Gaza-bound aid ship has ignited unprecedented anger in Turkey and driven the Jewish state's relations with its most important Muslim ally to their lowest point in six decades. Ibrahim Usta/AP
The shadows of two Lebanese protesters are cast on a Turkish flag at an anti-Israel demonstration outside the United Nations headquarters in downtown Beirut, Lebanon, on Tuesday. Bilal Hussein/AP
Jewish demonstrators protest in front of the White House in Washington on Tuesday against Israel's raid on the flotilla of aid ships heading to the Gaza Strip over the weekend. Drew Angerer/AP
Bangladeshi boatmen row their boat through the polluted waters of the Buriganga channel on the outskirts of Dhaka, Bangladesh on Tuesday. World Environment Day 2010, which is Saturday, calls for an urgent need to conserve the diversity of life on earth. According to United Nations Environment Program website, a total of 17,291 species are known to be threatened with extinction. Pavel Rahman/AP
Lanterns encircled by leis float in the water at Ala Moana beach park during the Na Leo Foundation's annual lantern event on Memorial Day in Honolulu, Hawaii on May 31. Hugh Gentry/Reuters
An unidentified man takes a photograph from inside the North Korea team bus as soccer players and officials prepare to leave the Tambo International Airport in Johannesburg, South Africa, on Tuesday. North Korea arrived for the upcoming World Cup, which gets underway on June 11. Themba Hadebe/AP
A Rockhopper penguin walks though a scanner as zoo keepers attract them with fish in order to scan them at the London Zoo on Tuesday. The photo opportunity was organized to mark the annual process of scanning the birds at the zoo, which has over 16,000 animals. Almost all the animals are micro-chipped to aid in their animal husbandry, apart from their small birds and fish. Rockhopper penguins usually live in sub-Antarctic islands. Lefteris Pitarakis/AP
Policemen carry a freelance photographer, Hernan Fernandez, after he was injured during a rally in downtown Santiago, Chile, on Tuesday. Thousands of students marched through the streets to demand that Chile's government change the public state education system and provide a bigger budget for universities. Victor Ruiz Caballero/Reuters
A worker from Hong Kong Alliance in Support of Patriotic Democratic Movements in China stands by the 'Goddess of Democracy' statue as it is returned by police at a park in Hong Kong on Tuesday. Hong Kong police agreed to return a statue dedicated to victims of the 1989 Tiananmen Square crackdown that they had confiscated, in a dispute that has sparked worries about freedom of speech in this semi-autonomous Chinese territory. A senior police official said the police agreed to release the 21-foot statue and a large carved tablet depicting the June 1989 crackdown in Beijing as a goodwill gesture. Kin Cheung/AP
An Indonesian Muslim boy stands near police shields as his mother attends an anti-Israel protest in front of the US embassy in Jakarta, Indonesia, on Tuesday. The protesters condemned Israel's deadly attack on Gaza-bound humanitarian aid flotilla on Monday. Beawiharta/Reuters
The suicide bomber killed at least 80 people who were taking part in a peaceful demonstration in Kabul.
ByLynne O'Donnel, Associated Press
Afghanistan marked a national day of mourning on Sunday, a day after a suicide bomber killed at least 80 people who were taking part in a peaceful demonstration in Kabul. The attack was claimed by the Islamic State group.