A double Fordson tractor at the Great Dorset Steam Fair, where hundreds of period steam traction engines and heavy mechanical equipment are being set up for the annual Dorset gathering of steam enthusiasts. PRESS ASSOCIATION Photo. Picture date: Tuesday August, 26, 2014.

Ben Birchall/PA

A double Fordson tractor at the Great Dorset Steam Fair, where hundreds of period steam traction engines and heavy mechanical equipment are being set up for the annual Dorset gathering of steam enthusiasts.

Russian President Vladimir Putin (L) shakes hands with his Ukrainian counterpart Petro Poroshenko, as Kazakh President Nursultan Nazarbayev (C) stands nearby, in Minsk August 26, 2014.

Sergei Bondarenko/Reuters

Russian President Vladimir Putin shakes hands with his Ukrainian counterpart Petro Poroshenko, as Kazakh President Nursultan Nazarbayev stands nearby, in Minsk

Real's Gareth Bale steps on a chair with his new football shoes, during the presentation of the Real Madrid's new UEFA Champions League kit at the Santiago Bernabeu stadium in Madrid, Spain, Tuesday, Aug. 26, 2014.

Andres Kudacki/AP

Real Madrid’s Gareth Bale steps on a chair with his new football shoes, during the presentation of the Real Madrid’s new UEFA Champions League kit at the Santiago Bernabeu stadium in Madrid, Spain

Sich special volonteer battalion members stand on August 26, 2014 during an oath-taking and farewell ceremony in Kiev. The battalion is leaving the Ukrainian capital to take part in anti-terrorists operation (ATO) in the east of the country. Kiev's security services on August 26 released a video purporting to show captured 10 Russian soldiers captured on its territory who a Moscow military source claimed had crossed into Ukraine "by accident."

Sergei Supinsky/AFP

Sich special volunteer battalion members stand on Tuesday during an oath-taking and farewell ceremony in Kiev. The battalion is leaving the Ukrainian capital to take part in anti-terrorists operation (ATO) in the east of the country

A member of the Chinese People's Liberation Army (PLA) honour guard stands with red flags during a welcoming ceremony for Prime Minister of Antigua and Barbuda Gaston Browne outside the Great Hall of the People in Beijing...A member of the Chinese People's Liberation Army (PLA) honour guard stands with red flags during a welcoming ceremony for Prime Minister of Antigua and Barbuda Gaston Browne outside the Great Hall of the People in Beijing, August 26, 2014.

Kim Kyung-Hoon/Reuters

A member of the Chinese People’s Liberation Army (PLA) honour guard stands with red flags during a welcoming ceremony for Prime Minister of Antigua and Barbuda Gaston Browne outside the Great Hall of the People in Beijing

Palestinians look up at the remains of an Italian apartment block that was destroyed by an Israeli air strike overnight in Gaza City on August 26, 2014. An Israeli air raid in Gaza killed two Palestinians as Israel pursued its campaign to stop rocket fire by Hamas militants from the enclave, medics said.

Mahmud Hamsa/AFP

Palestinians look up at the remains of an apartment block that was destroyed by an Israeli air strike overnight in Gaza City on Tuesday

Police Scotland Fife pipe band take part in 2014 World Pipe Band Championships grade one qualifiers at Glasgow Green on August 15, 2014 in Glasgow, Scotland. The annual World Pipe Band Championships has returned to Glasgow this weekend, with a programme that will have 300 performances from 223 pipe bands competing for the title.

Jeff J Mitchell/Getty Images

Police Scotland Fife pipe band take part in 2014 World Pipe Band Championships grade one qualifiers at Glasgow Green on Friday in Glasgow, Scotland

Somali soldiers patrol in Wadajir district South of capital following heavy fighting as Somali government and African Union troops battled a powerful militia warlord in a bid to disarm him, on August 15, 2014 in Mogadishu. Somalia's government launched a disarmament campaign earlier this month, with troops backed by the AU mission in Somalia (AMISOM) today fighting to seize weapons from militia leader Ahmed Dai.

Mohamed Abdiwahab/AFP

Somali soldiers patrol in Wadajir district South of capital following heavy fighting as Somali government and African Union troops battled a powerful militia warlord in a bid to disarm him, on Friday in Mogadishu

Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena...Giuseppe Zedde of "Leocorno" or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena  August 15, 2014. Each July 2 and August 16, almost without fail since the mid-1600s, 10 riders have hurtled bareback around Siena's shell-shaped central square in a desperate bid to win the Palio, a silk banner depicting the Madonna and child.

Stefano Rellandini/Reuters

Giuseppe Zedde of “Leocorno” or Unicorn parish rides his horse during the last day of practice for the Palio horse race in Siena on Friday

A woman holds a picture of Pope Francis while waiting for his arrival for the Holy Mass at Daejeon World Cup stadium in Daejeon August 15, 2014. Pope Francis on Friday commemorated the more than 300 people killed in a ferry disaster in April, and called on South Koreans, among Asia's richest people, to beware of the spiritual "cancer" that often accompanies affluent societies.

Lee Jin-man/Reuters

A woman holds a picture of Pope Francis while waiting for holy mass at a stadium at Daejeon, South Korea, on Friday. The Pope commemorated more than 300 people killed in a ferry disaster in April.