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The human skulls of victims in Khmer Rouge regime are on display at the stupa at Choeung Ek memorial on the outskirts of Phnom Penh, Cambodia, Friday,...

A woman stands in front of the stupa containing hundreds of human skulls and bones of victims in Khmer Rouge regime, at Choeung Ek memorial on the out...

People queue in front of the Cologne Cathedral in Cologne, Germany, Friday, April 17, 2015. A mourning ceremony will be held in the Cathedral in memo...

Wreaths are set up in front of the Cologne Cathedral in Cologne, Germany, Friday, April 17, 2015. A mourning ceremony will be held in the Cathedral i...

A wreath is set up in front of the Cologne Cathedral in Cologne, Germany, Friday, April 17, 2015. A mourning ceremony will be held in the Cathedral i...

A competitor gets sprayed with fake tan paint before the Mr. Thailand 2015 bodybuilding competition in Bangkok, Thailand, Friday, April 17, 2015. The...

(150417) -- KALAKAMATI, April 17, 2015 (Xinhua) -- Photo taken on April 13, 2015 shows Mantenge rock paintings in Kalakamati villiage, northern Botswa...

Narendra Modi Prime Minister of India bows after being presented with a sword during a visit to the Gurdwara Khalsa Diwan in Vancouver, B.C. Thursday,...

A view of the immigrant reception center "Oasi Don Bosco", which opened today in a former hotel and that already hosts over 100 migrants in Canicattin...

A crowd of anti-immigrant protesters demonstrate outside the Jeppe hostel in Johannesburg, South Africa, Friday, April 17, 2015, where some foreigners...

Visitors walk at the historical Taragarh Fort overlooking the city on the eve of World Heritage Day at Ajmer, in the western Indian state of Rajasthan...

A boy watches as people and security forces gather at the scene of a car bomb explosion in Habibya in eastern Baghdad, Iraq, Friday, April 17, 2015. A...

A staff member clean an elephant in Ueno zoo (Taito ward) Tokyo, JAPAN 17/04/2015/DATICHE_142201

Palestinian members of al-Qassam Brigades stand near a model of a Hamas manufactured A1b drone, during a ceremony marking the eleventh anniversary of...

Palestinian members of al-Qassam Brigades stand near a model of a Hamas manufactured A1b drone, during a ceremony marking the eleventh anniversary of...

The Canadarm 2 reaches out to capture the SpaceX Dragon cargo spacecraft and prepare it to be pulled into its port on the International Space Station...

This image made by the NASA/ESA Hubble Space Telescope shows NGC 6543, the Cat's Eye Nebula. A planetary nebula forms when Sun-like stars gently eject...

John Varvatos, a menswear designer, outside Henry the Hatter, a 122-year-old hat shop he patronized while growing up in Detroit, April 17, 2015. Varva...

John Varvatos, a menswear designer, outside Henry the Hatter, a 122-year-old hat shop he patronized while growing up in Detroit, April 17, 2015. Varva...

John Varvatos, a menswear designer, and friend Alice Cooper on their way to the black carpet before the launch party for Varvatos' new store in downto...

US actor Robert Downey Jr poses for a photo session during a press conference to promote Marvel's "Avengers: Age Of Ultron" in Seoul on April 17, 2015...

Posters of black ribbons with the flight number of the Germanwings plane that crashed on March 24, 2015 in the French Alps can be seen near the Cathed...

TOPSHOTS Cambodian Buddhist monks line up to receive donation at Choeung Ek killing fields memorial in Phnom Penh on April 17, 2015. Tearful survivor...

TOPSHOTS A relative (R) of the victims of South Korea's Sewol ferry disaster is in a nose-to-nose stand-off with a policeman (L) during an anti-gover...

TOPSHOTS Immigrants wait in the port of Lesvos island to board a ship to Athens on April 17, 2015. Since Greece bolstered controls along its land bor...

TOPSHOTS Immigrants wait in the port of Lesvos island to board a ship to Athens on April 17, 2015. Since Greece bolstered controls along its land bor...

TOPSHOTS Immigrants board a ship in the port of Lesvos island by destination to Athens on April 17, 2015. Since Greece bolstered controls along its l...

A German flag with a black mourning band attached flies outside the Cathedral in Cologne, western Germany on April 17, 2015 prior to a memorial servic...

Lufthansa CEO Carsten Spohr (3rd R) and Germanwings CEO Thomas Winkelmann (2nd R) arrive on April 17, 2015 at the Cathedral in Cologne, western German...

Candles for the victims of the Germanwings crash are lit in the Cathedral in Cologne, western Germany on April 17, 2015 in front of, during a memorial...

A poster of a black ribbon with the flight number of the Germanwings plane that crashed on March 24, 2015 in the French Alps can be seen near the Cath...

TOPSHOTS (From L) Volker Bouffier, State Premier of Hesse, German Chancellor Angela Merkel, the President of the Bundestag, Germany's lower house of...

TOPSHOTS The shadow of British Prime Minister David Cameron next to a Union flag as he addresses Fujitsu employees on April 17, 2015 in Birmingham. T...

TOPSHOTS A picture taken on April 17, 2015 in the northern part of Nicosia shows people walking past a giant campaign poster of Sibel Siber, candidat...

This handout picture released by the Vatican press office shows Pope Francis meeting with Reiner Haseloff (R), Minister-President of the federal state...

This handout picture released by the Vatican press office shows Pope Francis (L) meeting with Reiner Haseloff (R), Minister-President of the federal s...

Cadinals sit in front of the coffin of Cardinal Roberto Tucci during his funeral at St Peter's basilica on April 17, 2015 at the Vatican. AFP PHOTO /...

TOPSHOTS Black smoke from a warehouse blaze rises over the A86 highway in La Courneuve, north of Paris, on April 17, 2015. A spectacular fire broke o...

TOPSHOTS Members of the Kosovo Security Force (KSF) carry the coffins containing the remains of 21 Kosovo Albanians allegedly killed by Serbian secur...

TOPSHOTS A woman walks past a giant billboard featuring a view of the war-ravaged Potsdamer Platz taken in June 1945, at the end of the Second World...

TOPSHOTS A man collects water as others look on outside a hostel in the Jeppestown area of Johannesburg, on April 17, 2015, following local reports t...

TOPSHOTS A Child collects casings of rubber bullets the police fired at the Jeppie Hostle in Johannesburg, after a passing vehicle was torched in the...

TOPSHOTS Kosovo Albanians pay their respect near coffins draped with the Albanian flag, which contain the remains of 21 Kosovo Albanians allegedly ki...

TOPSHOTS A women covered in soot gestures and shouts towards foreign nationals outside the Jeppies Hostles, in the Jeppestown area of Johannesburg, o...

TOPSHOTS A Syrian refugee woman begs with her children on the street in the Beyoglu district of Istanbul on April 17, 2015. AFP PHOTO / BULENT KILIC

TOPSHOTS People sit in a state of shock following reported air strikes by government forces on a rebel held area in the northern Syrian city of Alepp...

TOPSHOTS People look at a crater on the ground following reported air strikes by government forces on a rebel held area in the northern Syrian city o...

TOPSHOTS Workers hang a giant Star of David on the strings of the Chords Bridge at the entrance of Jerusalem on April 17, 2015, as a part of preparat...

Migrants wait after their arrival at the Palazzolo Acreide immigration center on April 17, 2015. The U.N. refugee agency said over 35,000 refugees and...

Migrants wait at the Palazzolo Acreide immigration center on April 17, 2015. The U.N. refugee agency said over 35,000 refugees and migrants have cross...