Fireworks silhouette members of the Nepalese Army during the Shivaratri festival, in Kathmandu. (REUTERS/Navesh Chitrakar)

Russian kindergartners douse themselves with water as part of the school's fitness program. The school in Krasnoyarsk, Siberia, is the only one in the region to use such exercises. (REUTERS/Ilya Naymushin)

A NASA image illustrates the disparity between North Korea (middle, almost completely dark), neighboring China (top left), and South Korea (bottom right). (REUTERS/NASA-JSC/Handout)

A man and his dog sport matching masks as they walk along a small alley on a hazy day in Beijing. (REUTERS/Legal Evening/Liu Chang)

A Mexican marine lifts a bathtub that hides an entrance to a tunnel at one of the houses of arrested drug kingpin Joaquin "Chapo" Guzman in Culiacan. (REUTERS/Daniel Becerril)

State opera ballet dancers perform during a dress rehearsal for the Opera Ball in Vienna. (REUTERS/Heinz-Peter Bader)

A demonstrator is engulfed by tear gas during a protest against the government of President Nicolas Maduro in Caracas, Venezuela. (REUTERS/Carlos Garcia Rawlins)

Palestinians show off their parkour skills in Jerusalem's Old City. (REUTERS/Ammar Awad)

People wait to receive food aid distributed by the U.N. at the besieged al-Yarmouk camp, south of Damascus, in Syria. (REUTERS/UNRWA/Handout via Reuters)

A man sprawls on a chair in the house of Ukraine's ousted prosecutor general Viktor Pshonka in the village of Gorenichy, outside Kiev. (REUTERS/Konstantin Chernichkin)

Riot police duck from fireworks thrown by protesters at a demonstration in Ankara, Turkey. (REUTERS/Umit Bektas)

An artist dresses as both Hindu god Lord Shiva and his wife, the goddess Parvati, before taking part in a religious procession in Jammu, India. (REUTERS/Mukesh Gupta)

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