Syrian refugee children crowd around in a playing area in a camp in Boynuyogun, near the Syrian border. At least 150 more refugees crossed into Turkey, increasing the number of refugees to more than 9,000. (AP Image)

Members of emergency services work at the scene of an explosion at a police station after a suspected suicide bomber was killed and many vehicles were destroyed in Abuja, Nigeria. (Reuters Image)

A man walks near the Libyan parliament building, which, according to a Libyan official, is damaged by coalition air strikes, in Tripoli. (Reuters Image)

Armed tribesmen loyal to Sheik Sadeq al-Ahmar, the head of the powerful Hashid tribe, guard inside the destroyed house of al-Ahmar in Sana'a, Yemen. Yemen's leader of nearly 33 years Ali Abdullah Saleh has held onto power in the face of massive protests demanding his ouster since February. (AP Image)

Mounted policemen advance along an avenue as thousands of students march to protest against the government of President Sebastian Piñera and a new education law, in Santiago, Chile. (AFP Image)

A dog and demonstrators are hit by a jet of water from a police canon during a rally in Santiago. Defying police water canon and tear gas, tens of thousands of students marched in Chile's capital and main cities. It is the latest in a series of protests seen obstructing the government's legislative agenda. (Reuters Image)

Divers of the Prefectura Naval Argentina inspect the Rio Limay covered with ash from Chile's Puyehue-Cordon Caulle volcano chain at the mountain resort of San Carlos de Bariloche in Argentina's Patagonia. Some towns in Argentina's Patagonia remain blanketed in volcanic ash. (Reuters Image)

Brush burns along the track fire north of Raton, New Mexico, as seen from a KOAT-TV helicopter. (AP Image)

The moon is partially covered as a lunar eclipse gets underway, as seen from the Philippine Observatory in Manila before dawn. Astronomers in parts of Europe, Africa, Central Asia and Australia were hoping for clear skies to enjoy a total lunar eclipse, the first of 2011 and the longest in nearly 11 years. (AFP Image)

The Upper Austrian town of Hallstadt in Austria. After taking photos and collecting other data on the village while mingling with the tourists, Chinese architects plan to rebuild Hallstatt in all topsy-turvy glory in far-away Guandong province - a project that residents here see with mixed emotions. (AP Image)

People attend the White Dinner event in front of the Notre Dame Cathedral in Paris, France. Participants attend the dinner, which takes place at a different place in Paris every year, are required to be dressed in white, bring their own food, drink and cutlery to the event. (Reuters Image)

Martin Kaymer, of Germany, hits to the 11th green during the first round of the U.S. Open Championship golf tournament in Bethesda, Marylan. (AP Image)