Students of Shaolin Tagou Martial Arts School are suspended in mid-air as they practise in a rehearsal for a stunt performance, which is part of the opening ceremony of the 2014 Nanjing Youth Olympic Games, at a stadium in Nanjing, Jiangsu province.

Reuters

Students of Shaolin Tagou Martial Arts School are suspended in mid-air as they rehearse for the opening ceremony of the 2014 Nanjing Youth Olympic Games in Nanjing, Jiangsu province, China

Indian village school girls demonstrate the self-defense techniques learnt from Indian Border Security Force (BSF) women personnel in Ballaharwal, near the India-Pakistan border, some 40 km from Amritsar, India, 11 August 2014. In the wake increasing crime against women in the country, the school girls were given a training for 2 weeks by the BSF women personnel.

Raminder Pal Singhg/EPA

Indian village school girls demonstrate the self-defence techniques that they learnt from Indian Border Security Force women personnel in Ballaharwal, near the border with Pakistan, some 40km from Amritsar, India.

Displaced people, who fled from the violence in the province of Nineveh, arrive at Sulaimaniya province August 8, 2014. The United States began to drop relief supplies to beleaguered Yazidi refugees fleeing Islamist militants in Iraq, but there was no immediate sign on Friday of U.S. air strikes to halt the sweeping advance of Islamic State fighters.

Reuters

Displaced people, who fled from the violence in the province of Nineveh, arrive at Sulaimaniya province on Friday. The United States began to drop relief supplies to beleaguered Yazidi refugees fleeing Islamist militants in Iraq

An Irrawaddy Dolphin is made to jump through hoops during a performance at Pattaya Dolphin World and Resort, in Pattaya, Thailand, about 170 km southeast of Bangkok 08 August 2014. The zoo runs multiple dolphin performances where captive endangered species dolphins are made to perform for bus loads of tourists. A number of populations of these dolphins in south-east Asia are listed as critically endangered.

Barbara Walton/EPA

An Irrawaddy Dolphin is made to jump through hoops during a performance at Pattaya Dolphin World and Resort, in Pattaya, Thailand, about 170 km southeast of Bangkok. A number of populations of these dolphins in south-east Asia are listed as critically endangered

A migrant labourer sits on a handcart along a roadside in the old quarters of Delhi August 8, 2014.

Anindito Mukherjee/Reuters

A migrant labourer sits on a handcart along a roadside in the old quarters of Delhi on Friday

Hot air balloons lift off during a mass ascent at the 36th International Balloon Fiesta at the Ashton Court Estate near Bristol, which is Europe's largest ballooning event.

Ben Birchall/PA

Hot air balloons lift off during a mass ascent at the 36th International Balloon Fiesta at the Ashton Court Estate near Bristol, which is Europe’s largest ballooning event which officially begins on Friday

A rescue worker holds a rescue dog on a leash whilst standing on collapsed buildings after an earthquake in Longtoushan town, Ludian county, Yunnan province, China, 08 August 2014. A 6.5 earthquake hit the region on 03 August 2014. The death toll rose to 615 on 07 August 2014 from the earthquake in south-western China, with 114 people still missing and 3,143 injured, the Chinese Ministry of Civil Affairs said.

Wu Hong/EPA

A rescue worker holds a rescue dog on a leash whilst standing on collapsed buildings after an earthquake in Longtoushan town, Ludian county, Yunnan province, China

Displaced Palestinian Abu Amjad Nofal, 60, right, washes his face, at a U.N. school where his family had sought refuge during the war, in Gaza City, Gaza Strip, Thursday, Aug. 7, 2014. The families from the Gaza City neighborhood of Zeitoun, still at the U.N. school, said they are scared to move back to their houses as they consider the cease-fire still fragile.

Lefteris Pitarakis/AP

Displaced Palestinian Abu Amjad Nofal, 60, washes his face at a UN school in Gaza on Thursday, where his family have sought refuge during the war

A woman walks past a "smiling" sunflower in a field in Tokyo on August 7, 2014. Some 20,000 sunflowers were enjoyed by visitors to the area this week.

Yoshikazu Tsuno/AFP

A woman walks past a “smiling” sunflower in a field in Tokyo on Thursday, where about 20,000 sunflowers were in full bloom for visitors to enjoy

Winning bulls are led from the judging ring at the North Devon Show, near Barnstaple. PRESS ASSOCIATION Photo. Picture date: Wednesday August, 6, 2014.  The show is North Devon's premier agricultural spectacle and a celebration of North Devon's farming roots.

Ben Birchall/PA

Winning bulls are led from the judging ring at the North Devon Show, near Barnstaple on Wednesday. The show is North Devon’s premier agricultural spectacle and a celebration of North Devon’s farming roots