A pro-democracy protester with the colors of Yemen's national flag painted on his face attends a demonstration to demand prosecution for Yemen's former president Ali Abdullah Saleh, in Sanaa. Saleh stepped down last year after more than a year of protests against his 33-year rule. Mohamed al-Sayaghi/Reuters
A worker pulls horses from a riding school in the village of Tsouka, in the Ionian island of Corfu, northwestern Greece. Thanassis Stavrakis/AP
South Koreans, wearing traditional Korean costumes, carry torches as they march on a street during a ceremony to celebrate the March First Independence Movement Day, the anniversary of the 1919 uprising against Japanese colonial rule, in Cheonan, south of Seoul, South Korea. Lee Jin-man/AP
A woman reacts near a giant screen showing the departure of Pope Benedict XVI from the Vatican City. Pope Benedict slips quietly from the world stage after a private last goodbye to his cardinals and a short flight to a country palace to enter the final phase of his life 'hidden from the world.' Stefano Rellandini/Reuters
An Iranian man snowboards at the Dizin ski resort, north of the capital Tehran, Iran. Vahid Salemi/AP
A defected Syrian policeman, Adnan al-Hamod, lights a kerosene lamp at an underground cave used for shelter from Syrian government forces shelling and airstrikes, at Jirjanaz village, in Idlib province, Syria. Across northern Syria, rebels, soldiers, and civilians are making use of the country's wealth of ancient and medieval antiquities to protect themselves from Syria's two-year-old war. Hussein Malla/AP
Inmates hold hands during a therapeutic exercise at the Jilava prison near Bucharest, Romania. A conference on drug abuse in prisons and its relation to the rise of HIV-AIDS was organized for inmates who are part of a project in which they receive help to overcome their addictions. Bogdan Cristel/Reuters
Passengers commute across the Yangon River as seagulls fly, in Yangon, Myanmar. Gemunu Amarasinghe/AP
A pedestrian walks down a path in a park under snow-covered trees following a snowfall in Montreal. Paul Chiasson/The Canadian Press/AP
A man carries a sack containing the 2013/14 federal budget papers as Indian security personnel stand guard at the parliament in New Delhi. India's Finance Minister Palaniappan Chidambaram will present one of the most highly anticipated budgets of recent years, a blueprint for austerity that forms the centrepiece of India's efforts to stave off a ratings downgrade. Adnan Abidi/Reuters
People chat on a street in downtown Nairobi. Kenya will hold its general elections on March 4. Marko Djurica/Reuters
Student Hedayt attends an English class at Mashal School, on the outskirts of Islamabad, Pakistan. Hedayt, who wants to become a doctor, picks up recyclable items to sell to help his family after school. He earns 30 rupees per kilogram. Zohra Bensemra/Reuters
A group of young gymnasts stretch themselves on wooden bars during an exercise session at the gymnastics hall of a sports school in Jiaxing, Zhejiang province. Their class consists of children aged six to seven, who have been attending professional sports training for at least four years. Their daily schedule contains literacy and general knowledge classes in the morning and four hours of athletic training in the afternoon. William Hong/Reuters
U.N. Secretary-General Ban Ki-moon said that the attack, carried out against rebel-held territory, may amount to a war crime if found to be deliberate.
BySarah El Deeb, Associated Press
U.N. Secretary-General Ban Ki-moon called on Thursday for an immediate investigation of an attack on a school in Syria's Idlib province that the U.N.'s children's agency is calling one of the deadliest of its kind in the country's six-year war.