A Syrian woman sits next to her children sleeping on the street in Hamra Street in the Lebanese capital, Beirut, on August 29, 2014. The number of refugees from the conflict in Syria now tops three million, the UN said, as US President Barack Obama admitted he has no strategy to tackle advancing jihadists.

Anwar Amro/AFP

A Syrian woman sits next to her children sleeping on the street in Hamra Street in the Lebanese capital, Beirut

A Palestinian demonstrator throws a gas cannister using a sling shot during clashes with Israeli security personnel in the village of Bilin, near the West Bank city of Ramallah after a march in support the resistance in the Gaza Strip on August 29, 2014. Seven weeks of war between Hamas militants and Israel in Gaza killed more than 2,100 people and and left the territory's infrastructure in tatters and tens of thousands of Palestinians displaced.

Abbas Momani/AFP

A Palestinian demonstrator throws a gas cannister using a slingshot during clashes with Israeli security personnel in the village of Bilin, near the West Bank city of Ramallah on Friday

NATO-led Kosovo Force (KFOR) soldiers rest after taking part in a crowd and riot control exercise near the town of Ferizaj on August 29, 2014. Despite the deteriorating situation in the Middle East and Ukraine, NATO does not plan to reduce the number of its peacekeeping troops in Kosovo.

Armend Nimani/AFP

NATO-led Kosovo Force (KFOR) soldiers rest after taking part in a crowd and riot control exercise near the town of Ferizaj on Friday

An Afghan youth sits astride the gun barrel of a Soviet-era tank, in Kabul, Afghanistan, 29 August 2014. Soviet troops occupied the country for ten years from 1979 to 1989.

Jawad Jalali/EPA

An Afghan youth sits astride the gun barrel of a Soviet-era tank, in Kabul, Afghanistan on Friday. Soviet Union troops occupied Afghanistan for ten years from 1979

A Chinese People's Liberation Army (PLA)...A Chinese People's Liberation Army (PLA) soldier stands guard at the entrance to the PLA's Hong Kong Garrison headquarters in Hong Kong on August 29, 2014.  Hong Kong residents expressed alarm on August 29 after Chinese army vehicles were photographed travelling down a major thoroughfare, in what democracy activists condemned as a show of "military might" ahead of expected protests.

Alex Ogle/AFP

A Chinese People’s Liberation Army (PLA) soldier stands guard at the entrance to the PLA’s Hong Kong Garrison headquarters in Hong Kong

Mount Tavurvur erupting in eastern Papua New Guinea, spewing rocks and ash into the air, forcing the evacuation of local communities and international flights to be re-routed. Mount Tavurvur, which destroyed the town of Rabaul when it erupted simultaneously with nearby Mount Vulcan in 1994, rumbled to life early in the morning on the tip of the remote island of New Britain.

Oliver Bluett/AFP

Mount Tavurvur erupting in eastern Papua New Guinea, spewing rocks and ash into the air, forcing the evacuation of local communities and international flights to be re-routed

Dancers participate in festivities marking the start of the annual harvest festival of "Onam" in the southern Indian city of Kochi August 29, 2014. The ten-day-long Hindu festival is celebrated annually in India's southern coastal state of Kerala to commemorate the return of King Mahabali to his beloved subjects.

Sivaram V/Reuters

Dancers participate in festivities marking the start of the annual harvest festival of “Onam” in the southern Indian city of Kochi. The ten-day-long Hindu festival is celebrated annually in India’s southern coastal state of Kerala to commemorate the return of King Mahabali to his beloved subjects

Coal man Simon Bee walks through the mud as he delivers bags of coal to showman's steam engines being prepared for display at the Great Dorset Steam Fair in Tarrant Hinton near Blandford on August 28, 2014 in Dorset, England. Heavy rain has disrupted the opening of the event, which is in its 45th year and regularly attracts 200,000 visitors to the site to see steam road locomotive, as well as other vintage vehicles.

Matt Cardy/Getty Images

Coalman Simon Bee walks through the mud as he delivers bags of coal to showman’s steam engines being prepared for display at the Great Dorset Steam Fair in Tarrant Hinton near Blandford on Thursday in Dorset, England

A woman walks her dogs by police temporarily blocking protesters from entering one of the main roads into the capital, on the outskirts of Buenos Aires, Argentina, Thursday, Aug. 28, 2014. Opposition labor unions are demanding more jobs, better salaries and tax cuts with protests and a 36-hour strike that started Wednesday. The protest comes amid deepening economic troubles for Argentina, with the economy in recession and inflation running around 40 percent.

Natacha Pisarenko/AP

A woman walks her dogs by police temporarily blocking protesters from entering one of the main roads into the capital, on the outskirts of Buenos Aires, Argentina. Opposition labour unions are demanding more jobs, better salaries and tax cuts with protests and a 36-hour strike

HMS Illustrious Company members prepare to lower the ships White Ensign for the last time during her decommissioning ceremony on August 28, 2014 in Portsmouth, England. The HMS Illustrious was the last of the Royal Navy's Invincible class aircraft carriers, and is to be replaced by HMS Ocean after serving for 32 years. The ship is to be sold with the condition that the buyer must keep HMS Illustrious in the UK.

Dan Kitwood/Getty Images

HMS Illustrious Company members prepare to lower the ships White Ensign for the last time during her decommissioning ceremony on Thursday in Portsmouth, England. The HMS Illustrious was the last of the Royal Navy’s Invincible class aircraft carriers, and is to be replaced by HMS Ocean after serving for 32 years