Ethnic Yi women travel to a dragon worship ceremony in Shiping county, China. The dragon worship ceremony is held every 12 years to pray for good fortune and harvest. (REUTERS/Wong Campion)

Newborn white lion cubs snuggle in a private zoo in Borysew, central Poland. (REUTERS/Kacper Pempel)

Sweden's Niklas Mattsson sails through the air during the men's slopestyle snowboarding qualifying session at the 2014 Sochi Olympic Games. (REUTERS/Lucas Jackson)

Sri Lanka's navy fires a gun salute as a part of celebrations for the country's 66th Independence Day in Colombo. (REUTERS/Dinuka Liyanawatte)

Uranium ore leached with sulfuric acid sits at Areva's Somair mine in Arlit, Niger. (REUTERS/Joe Penney)

Girls play on a swing in Yongji, China. (REUTERS/China Daily)

Commuters cling to the sides and roof of a train in Dhaka. (REUTERS/Andrew Biraj)

A stray dog rests near the finish line of a cross-country training session for the 2014 Winter Olympic Games. (REUTERS/Carlos Barria)

National guardsman Ayouba Dakka poses for a picture at the prefecture of Arlit, Niger. (REUTERS/Joe Penney)

Henrique of Brazil's Botafogo celebrates with teammate Elias (top) after scoring a goal against Ecuador during their Copa Libertadores qualifying soccer match at the Maracana stadium in Rio de Janeiro. (REUTERS/Sergio Moraes)

Giovanni Mougounou, 10, who lost both legs in April 2013 to what his family say was a rocket-propelled grenade launched by Seleka fighters on a church, pushes his wheelchair close to his home in Bangui, Central African Republic. (REUTERS/Siegfried Modola)

**Check out last week's best photojournalism**