Bishops attend a mass celebrated by Pope Benedict XVI marking the 50th anniversary of the Second Vatican Council, in St. Peter’s Square at the Vatican. (AP)

A pigeon leaves trails on snow covered ground outside Russia’s Siberian city of Krasnoyarsk. (Reuters)

A general view of hangars at a desert military training facility where U.S. forces and a handful of British allies are training Jordanian commandos in Russeifeh, Jordan. Jordanian officials tell the Associated Press that the military planners are here to help them develop a blueprint to defend Jordan and its population in case of a chemical attack from neighboring Syria. (AP)

Policemen watch a group of youths from the roof of a building in the ‘Trois Ponts’ district of the northern French city of Roubaix. (AFP)

A flock of geese swim in the Yangtze river in Dongtu county, Anhui province, China. (Reuters)

Riot police extinguish burning tires set by Bahraini anti-government protesters near oil pipelines that connect to neighboring Saudi Arabia along a highway in Buri. Protesters often block roads with burning tires to highlight their demands for the release of political prisoners and democracy in the Gulf island kingdom. (AP)

World Bank Group President Jim Yong Kim looks at postcards bearing messages about ending poverty, on a mobile wall after adding his postcard onto the wall, at a venue of the annual meetings of the International Monetary Fund (IMF) and the World Bank Group in Tokyo, Japan. (Reuters)

A Swiss Air Force F18 fighter jet releases flares during a flight demonstration of the Swiss Air Force over the Axalp in the Bernese Oberland, Switzerland. (Reuters)

South Korean Police perform the Gangnam style dance in the grandstand ahead of the Korean Formula One Grand Prix at the Korean International Circuit in Yeongam. (AP)

Singer Madonna performs at Staples Center as part of her MDNA world tour in Los Angeles, California, October 10, 2012. (Reuters)