Iraqi security forces stand guard as residents from the city of Ramadi, who fled their homes as Islamic State (IS) group militants tightened their siege on the last government positions in the capital of Anbar province, wait to cross Bzeibez bridge, on the southwestern frontier of Baghdad, on May 20, 2015. Taking control of Ramadi would constitute the group's most important victory this year in Iraq, and would give the jihadists control of the capitals of two of its largest provinces

Sabah Arar/AFP

Iraqi security forces stand guard as residents from the city of Ramadi, who fled their homes as Islamic State (IS) group militants tightened their siege on the last government positions in the capital of Anbar province, wait to cross Bzeibez bridge, on the southwestern frontier of Baghdad, on Wednesday

A Syrian man carries a body after it was removed from the rubble of buildings following a reported barrel bomb attack by government forces on the Qadi Askar district of the northern Syrian city of Aleppo on May 20, 2015.

Zein Al-Rifai/AFP

A Syrian man carries a body after it was removed from the rubble of buildings following a barrel bomb attack by government forces on the Qadi Askar district of the northern Syrian city of Aleppo on Wednesday

Tourists enjoy visiting Red Square in Moscow on May 20, 2015.

Kirill Kudryavtsev/AFP

Tourists enjoy visiting Red Square in Moscow on Wednesday

A pickup truck moves off after loading unemployed builders and painters from South Africa and Zimbabwe from a roadside for work in Cape Town, South Africa on Wednesday

Nic Bothma/EPA

A pickup truck moves off after loading unemployed builders and painters from South Africa and Zimbabwe from a roadside for work in Cape Town, South Africa on Wednesday

A Nepalese homeless man sleeps in a street of Kathmandu on Wednesday. Nearly 8,500 people have now been confirmed dead in the disaster, which destroyed more than half a million homes and left huge numbers of people without shelter with just weeks to go until the monsoon rains.

Ishara S.Kodikara/AFP

A Nepalese homeless man sleeps in a street of Kathmandu on Wednesday. Nearly 8,500 people have now been confirmed dead in the disaster, which destroyed more than half a million homes and left huge numbers of people without shelter with just weeks to go until the monsoon rains

A man walks past a billboard at the Global Gaming Expo Asia in the world's biggest gambling hub of Macau on May 20, 2015. The three-day fair of gambling innovations, the largest gaming event in Asia, showcases the industry's latest products, services and technologies at the glitzy Venetian Macau hotel

Philippe Lopez/AFP

A man walks past a billboard at the Global Gaming Expo Asia in the world’s biggest gambling hub of Macau on Wednesday. The three-day fair of gambling innovations, the largest gaming event in Asia, showcases the industry’s latest products, services and technologies at the glitzy Venetian Macau hotel

Brandenburger Landschaft aus der Luft...epa04757717 A solitary tree is encircled by tractor wheel marks amid a golden field of rapeseed near Eisenhuettenstadt, in the north German state of Brandenburg late 19 May 2015.  EPA/PATRICK PLEUL

Patrick Plaul/EPA

A solitary tree is encircled by tractor wheel marks amid a golden field of rapeseed near Eisenhuettenstadt, in the north German state of Brandenburg 

n this photograph taken on May...TOPSHOTS In this photograph taken on May 19, 2015, an Afghan youth dives into a ditch of muddy water to beat the heat on the outskirts of Jalalabad in Nangarhar province. AFP PHOTO / Noorullah ShirzadaNoorullah Shirzada/AFP/Getty Images

Noorullah Shirzada/AFP/Getty

An Afghan youth dives into a ditch of muddy water to beat the heat on the outskirts of Jalalabad in Nangarhar province 

TOPSHOTS Protestors opposed to the Burun...TOPSHOTS Protestors opposed to the Burundian president Pierre Nkurunziza's  third term in office gather by a burning barricade during a demonstration in the Cibitoke neighborhood of Bujumbura on May 19, 2015.  Thousands of  demonstrators opposed to Burundian President Pierre Nkurunziza defied warning shots and took to the streets of Bujumbura, as their leaders called for them to overcome their fears and continue the fight.   AFP PHOTO/CARL DE SOUZACARL DE SOUZA/AFP/Getty Images

Carl De Souza/AFP/Getty

Protestors opposed to the Burundian president Pierre Nkurunziza’s third term in office gather by a burning barricade during a demonstration in the Cibitoke neighborhood of Bujumbura. Thousands of demonstrators opposed to Burundian President Pierre Nkurunziza defied warning shots and took to the streets of Bujumbura, as their leaders called for them to overcome their fears and continue the fight

A man workouts in a gym, frequented by both residents and rebel fighters, in Aleppo's al-Fardous district

Hosam Katan/Reuters

A man workouts in a gym, frequented by both residents and rebel fighters, in Aleppo’s al-Fardous district

Iraqi soldiers fire towards Islamic State (IS) group positions in the Garma district of Anbar province west of the Iraqi capital Baghdad, on Tuesday. Iraq's army and allied paramilitary forces massed around Anbar's provincial capital Ramadi, looking for swift action to recapture the city from the Islamic State group before it builds up defences

Ahmad Al-Rubaye/AFP

Iraqi soldiers fire towards Islamic State (IS) group positions in the Garma district of Anbar province west of the Iraqi capital Baghdad, on Tuesday. Iraq’s army and allied paramilitary forces massed around Anbar’s provincial capital Ramadi, looking for swift action to recapture the city from the Islamic State group before it builds up defences

Protesters show bullet casings during a protest against Burundi President Pierre Nkurunziza and his bid for a third term in Bujumbura, Burundi on Tuesday

Goran Tomasevic/Reuters

Protesters show bullet casings during a protest against Burundi President Pierre Nkurunziza and his bid for a third term in Bujumbura, Burundi on Tuesday

An Afghan policeman stands guard at the site of a blast in Kabul, Afghanistan May 19, 2015. A bomb exploded in the parking lot of Afghanistan's Ministry of Justice on Tuesday, killing at least five people and wounding dozens as civil servants were leaving work for the day, officials said

Mohammad Ismail/Reuters

An Afghan policeman stands guard at the site of a blast in Kabul, Afghanistan. A bomb exploded in the parking lot of Afghanistan’s Ministry of Justice on Tuesday, killing at least five people and wounding dozens as civil servants were leaving work for the day

The Morskie Oko (Eye of the Sea) lake on a sunny morning in Tatra Mountains in Zakopane, Poland on Tuesday

Grezegorz Momot/EPA

The Morskie Oko (Eye of the Sea) lake on a sunny morning in Tatra Mountains in Zakopane, Poland on Tuesday

Nepalese laborers work at a brick factory in Bhaktapur, Nepal on Tuesday. Nepal is facing an acute brick crisis after some 40 million houses were damaged and 80 percent of brick kilns were also damaged due to two major earthquakes on 05 April 2015 and 12 May 2015. The official death toll for the 12 May 7.3 magnitude quake rose to 117, authorities said, in addition to the 8,202 victims claimed by the April 25 earthquake.

Narendra Shrestha/EPA

Nepalese laborers work at a brick factory in Bhaktapur, Nepal on Tuesday. Nepal is facing an acute brick crisis after some 40 million houses were damaged and 80 percent of brick kilns were also damaged due to two major earthquakes

Rohingya Refugees Washed Up On Indonesia's Shores Recover In Temporary Camps

Ulet Ifansasti/Getty Images

A volunteer helps a Bangladeshi migrant cut his hair at a temporary shelter on Tuesday, in Kuala Langsa, Aceh province, Indonesia.

Haitian children show their skills during a march in celebrations for National Haitian Flag Day in the streets of Port-au-Prince

Andres Martinez Casares/Reuters

Haitian children show their skills during a march in celebrations for National Haitian Flag Day in the streets of Port-au-Prince

Smoke billows following the detonation o...Smoke billows following the detonation of explosives placed by Syrian government forces inside a tunnel that was reportedly used by rebels in the government-controlled part of Aleppo on May 19, 2015. AFP PHOTO / GEORGE OURFALIANGEORGE OURFALIAN/AFP/Getty Images

George Ourfalian/AFP/Getty Images

Smoke billows following the detonation of explosives placed by Syrian government forces inside a tunnel that was reportedly used by rebels in the government-controlled part of Aleppo

 A solider watches smoke rising as they take part in joint Jordan-US maneuvers during the "Eager Lion" military exercises, in  Mudawwara, near the border with Saudi Arabia, on May 18, 2015. The annual "Eager Lion" exercises includes the participation of 10,000 troops from at least 18 countries, and incorporates scenarios including disaster relief and air defense.

Khalil Mazraawikhalil/AFP

A solider watches smoke rising as they take part in joint Jordan-US maneuvers during the “Eager Lion” military exercises, in Mudawwara, near the border with Saudi Arabia, on Monday

A tourist takes pictures of an alpine panorama from a platform of Germany highest mountain Zugspitze, 2962 meters, near Garmisch-Partenkirchen, southern Germany on Monday

Andreas Gebert/AFP

A tourist takes pictures of the alpine panorama from a platform on Germany highest mountain, Zugspitze, 2962 meters high, near Garmisch-Partenkirchen, southern Germany, on Monday