Egyptian security search for survivors in the rubble of a building that collapsed in the Cairo suburb of Matariya, early Tuesday, Nov. 25, 2014 (Photo: AP)

The Citadel of Salah El Din and mosques are seen through fog in Cairo, November 25, 2014 (Photo: Reuters)

Vehicles at a car dealership are set afire in Ferguson, Missouri early morning November 25, 2014 (Photo: Reuters)

Demonstrators march through the streets following the grand jury decision in the Ferguson, Missouri shooting of Michael Brown, in Seattle, Washington November 24, 2014 (Photo: Reuters)

Pro-democracy protesters hold umbrellas as they face riot police during a confrontation at Mongkok shopping district in Hong Kong November 25, 2014 (Photo: Reuters)

A member of al Qaeda's Nusra Front mans an anti-aircraft weapon near al-Zahra village, north of Aleppo city (Reuters)

Sajal Biswas, a snake charmer, puts the head of a snake into his mouth as he performs on a roadside on the outskirts of Agartala, capital of India's northeastern state of Tripura (Reuters)

Student Toni Sanders leads a protest against a grand jury's decision of no indictment in the shooting of Michael Brown, in front of the Justice Department in Washington (Reuters)

A member of al Qaeda's Nusra Front poses with the Nusra flag on top of an infantry fighting vehicle at the frontline near al-Zahra village, north of Aleppo city (Reuters)

A woman holds a double image showing her late daughter, a victim of a violent crime, during a demonstration marking International Day for the Elimination of Violence Against Women, in La Paz, Bolivia (AP)

The Mistral-class helicopter carrier Vladivostok is seen at the STX Les Chantiers de l'Atlantique shipyard site in Saint-Nazaire, western France (Reuters)

Protesters use umbrellas against policemen at an occupied area in Mong Kok district of Hong Kong (AP)

A light installation is seen at Kew Gardens in west London (Reuters)