Polar bear cubs play at the St-Felicien Wildlife Zoo in Quebec, Canada, on June 2. Mathieu Belanger/Reuters/File
Juergen Burkhardt of Germany (l.) and Franz Mitterhauser of Austria attend the European Beard Championships in Leogang, Austria, on Oct. 2. Herwig Prammer/Reuters
Children play in water pipes at a construction site on the banks of the Yamuna River in Allahabad, India, on July 26. Jitendra Prakash/Reuters/File
Participants of the Sarenza High Heel 2010 Race compete in the France vs. United Kingdom relay race at Molitor swimming pool in Paris, France, on Dec. 3. Francois Mori/AP
Italian sculptor Mauro Perucchetti stands on his sculpture 'The Jelly Baby Family' after it was erected in London, England, on Dec. 13. Kirsty Wigglesworth/AP
Twins Aine (l.) and Emer Quinn eat sweets in the local parish hall after making their First Holy Communion in St. Mary's Roman Catholic Church in Cushendall, Northern Ireland, on June 5. Cathal McNaughton/Reuters/File
Santisuk ('peace' in Thai language), a five-year-old pig-tailed macaque monkey, wears a police shirt as he sits at the back of a patrolling vehicle in Yala province, Thailand, on April 1. Damir Sagolj/Reuters/File
Dr. Funshine, aka Caroline Meeks, M.D. (c.) leads a laughter therapy session with Wanda Boyce (l.) and Richard Trask along with a group of seniors at the Clairmont Friendship Center in San Diego, California, on Nov. 17. Mike Blake/Reuters
A man dressed as an ancient Roman Centurion takes a picture during a falling snow in front of the Colosseum in Rome, Italy, on Dec. 17. Alessandro Bianchi/Reuters
A performer with the Monte Carlo Circus performs with a snake in Basra, Iraq, on Oct. 27. Nabil al-Jurani/AP
Netherlands fans, wearing funny costumes, wait for the start of the 2010 World Cup second round soccer match between Netherlands and Slovakia at Moses Mabhida stadium in Durban, South Africa, on June 28. Carlos Barria/Reuters/File
While Ukraine is not a NATO member, alliance members in Eastern and Central Europe fear they could be Russia's next targets, prompting the 28-nation bloc to seek a robust response.
ByJulie Pace, AP White House Correspondent
Confronted by a Kremlin-backed military offensive in Ukraine, President Barack Obama and Western allies will approve plans this week to position at least 4,000 troops and military equipment in Eastern Europe, bolstering NATO's security commitments to nervous member states near the Russian border.