Soldiers stop to buy goods at the main market of Diffa, Niger, March 23, 2015. Diffa is where Nigerien and Chadian troops fighting insurgent group Boko Haram are based at. (Photo by Joe Penney/Reuters)

Models pose on Harley-Davidson motorbikes during a media presentation of the 36th Bangkok International Motor Show in Bangkok March 24, 2015. The Bangkok International Motor Show will be held from March 25 to April 5. (Photo by Chaiwat Subprasom/Reuters)

Miss Lithuania, Patricija Belousova, poses for the judges, during the national costume show during the 63rd annual Miss Universe Competition in Miami, Fla., Wednesday, January 21, 2015. (Photo by J. Pat Carter/AP Photo)

Indian police women take part in a full dress rehearsal for the Republic Day parade in Srinagar January 24, 2015. India will celebrate its annual Republic Day on Monday. (Photo by Danish Ismail/Reuters)

A church made entirely from ice is seen during the night at Balea Lac resort in the Fagaras mountains January 29, 2015. (Photo by Radu Sigheti/Reuters)

A man with a painted face and traditional costumes takes part in the Schleicherlaufen festival in the western Austrian town of Telfs February 1, 2015. (Photo by Dominic Ebenbichler/Reuters)

Dogs pose for a photo in the likeness of a photo time line of Face Book during the “Blocao” dog carnival parade in Rio de Janeiro, Brazil, Saturday, February 14, 2015. (Photo by Silvia Izquierdo/AP Photo)

A boy looks for sellable materials close to the burning garbage in the permanent waste land under Sylhet City Corporation for a living, on January 15, 2015. (Photo by Md. Akhlas Uddin/Pacific Press)