
Russia's President Vladimir Putin (L) and Egyptian President Abdel Fattah al-Sisi (C) attend a welcoming ceremony upon Putin's arrival in Cairo February 10, 2015 (Photo: Reuters)

Residents walk in a street in the town of Vuhlehirsk, eastern Ukraine, Tuesday, Feb. 10, 2015 (Photo: AP)

Birds sit on a trash barrier in the Jacarepagua Lagoon complex in Rio de Janeiro, Brazil, Tuesday, Feb. 10, 2015 (Photo: AP)

A Polish Air Force MIG-29 fighter (top) and Italian Air Force Eurofighter Typhoon fighters participate during a NATO air policing mission patrol over the Baltics from the Zokniai air base near Siauliai February 10, 2015 (Photo: Reuters)

A couple takes a selfie as others observe the sunset at an oceanfront in the neighbourhood of Miraflores in Lima, February 9, 2015 (Photo: Reuters)

A man goes for a walk next to Aralar Sanctuary covered by snow, in Aralar, northern Spain, Monday, Feb. 9, 2015 (Photo: AP)

A Pakistani girl waits for food donations at a distribution center in a shrine in Islamabad, Pakistan, Tuesday, Feb. 10, 2015 (Photo: AP)

An Afghan laborer cleans raisins from dust at a traditional dry fruits factory in Mazar-i Sharif city, capital of northern Balkh province, Afghanistan Tuesday, Feb. 10, 2015 (Photo: AP)

Workers push harvested cotton with their feet after unloading it from a supply truck at a cotton processing unit in Kadi town in the western Indian state of Gujarat February 9, 2015 (Photo: Reuters)

Worshippers gather around candles stuck to jars with honey, during a religious mass in the church of the Presentation of the Blessed Virgin in the city of Blagoevgrad February 10, 2015. The day of Saint Haralampi, the Orthodox patron saint of beekeepers, is marked on February 10 (Photo: Reuters)