Youth worker Lara Pearce snowboards in the snow on the South Downs near Brighton in southern England. Transportation was disrupted following a second day of heavy snowfall in southern England. Luke MacGregor/Reuters
A racegoer, with all his previous race badges, poses for a photograph with his binoculars during the Cheltenham Festival horse racing meet in Gloucestershire, western England. Eddie Keogh/Reuters
A pilgrim kneels in St. Peter's Square during a mass at St. Peter's Basilica attended by cardinals before sequestering themselves in the Sistine Chapel for the conclave to elect the next pope at the Vatican. Michael Sohn/AP
Indian children dance during their 'Save Yamuna' river campaign march from Mathura in New Delhi, India3. The children activists demanded the Yamuna River be cleaned and saved from industrial pollution. Tsering Topgyal/AP
Ballet teacher Iryna Al-Dhaheri teaches girls during their first ballet class at her studio in Sanaa, Yemen. Mohamed al-Sayaghi/Reuters
A homeless woman, her feet wrapped in plastic, walks in the snow in Paris as winter weather with snow and freezing temperatures returns to northern France. John Schults/Reuters
Children play with their nursery school teacher at their Kindergarten in Hanau, 18 miles south of Frankfurt, Germany. Despite a drive in German Chancellor Angela Merkel's first term to boost the number of childcare spots, Germany's birthrate remains one of the lowest in Europe. Kai Pfaffenbach/Reuters
Men work on the rig of an oil drilling pump site in McKenzie County outside of Williston, North Dakota. Shannon Stapleton/Reuters
Roger Federer of Switzerland serves the ball against Ivan Dodig of Croatia during their match at the BNP Paribas Open ATP tennis tournament in Indian Wells, California. Danny Moloshok/Reuters
A man reads a state-run newspaper as a Buddhist monk walks past to collect morning alms in Yangon, Myanmar. An eagerly awaited official report has confirmed that police in Myanmar used smoke bombs that contain phosphorus during a crackdown on anti-mine protesters last year that left 108 people with burns, mostly Buddhist monks. Khin Maung Win/AP
Security personnel holding umbrellas wait for delegates to arrive ahead of the closing ceremony of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing. Petar Kujundzic/Reuters
The air traffic control tower is shown at the Ramona Airport in Ramona, California. The airport's air traffic control is on the Federal Aviation Administration proposed sequester cutback list causing concern for local disaster response due to the Cal Fire air attack base located there. Mike Blake/Reuters
The talks on South Sudan came on the sidelines of Obama's visit to Ethiopia, his second stop on a trip to East Africa.
ByJulie Pace and Darlene Superville, Associated Press
President Obama launched a personal push for peace in South Sudan on Monday, convening African leaders for urgent talks in neighboring Ethiopia aimed at keeping the world's newest nation from collapsing amid civil war.