A member of staff holds 'Tete au masque' a ceramic plate by Pablo Picasso, estimated between  6000-8000), in front of Claude Monet's 1914-1917 piece 'Iris mauves', estimated at between  6-9 million, at Christie's King Street auction house on Friday in London, England

Rob Stothard/Getty Images

A member of staff holds ‘Tete au masque’ a ceramic plate by Pablo Picasso, estimated between 6000-8000), in front of Claude Monet’s 1914-1917 piece ‘Iris mauves’, estimated at between 6-9 million, at Christie’s King Street auction house on Friday in London, England

Members of the Allied army practice their square formation to counter cavalry charges on Friday in Waterloo, Belgium. Around 5000 historical re-enactors will amass this evening to stage the 1st battle re-enactment, the 'French attack', in front of around 200,000 spectators from around the world. The event will mark the 200th anniversary of the Battle of Waterloo. The 1815 battle saw the overthrow of Napoleon Bonaparte and the restoration of Louis XVIII to the French throne

Dan Kitwood/Getty Images

Members of the Allied army practice their square formation to counter cavalry charges on Friday in Waterloo, Belgium. Around 5000 historical re-enactors will amass this evening to stage the 1st battle re-enactment, the ‘French attack’, in front of around 200,000 spectators from around the world

Baughn and Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku...Hanna Baughn and Ryan Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku, Azerbaijan, June 19 , 2015.

Kai Pfaffenbach/Reuters

Hanna Baughn and Ryan Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku, Azerbaijan on Friday

A young woman walks past a graffiti reading "Mrs Merkel we still love you - Greece" in central Athens on June 19, 2015. The European Central Bank's decision-making governing council will hold an emergency session on June 19 to discuss a request from the Bank of Greece for an increase in liquidity to Greek banks

Aris Messinis/AFP

A young woman walks past a graffiti reading “Mrs Merkel we still love you – Greece” in central Athens on Friday

A Syrian refugee boy from the northern Syrian town of Tel Abyad sits in the shade while spending the day in Akcakale, in Sanliurfa province, Turkey, June 19, 2015

Umit Bektas/Reuters

A Syrian refugee boy from the northern Syrian town of Tel Abyad sits in the shade while spending the day in Akcakale, in Sanliurfa province, Turkey on Friday

Ash from Mount Sinabung volcano fills the sky over an abandoned church during another eruption in Karo, in Indonesia's North Sumatra province on Friday. Sinabung rumbled back to life in 2013 after a period of inactivity, since when around 10,000 people have had to evacuate their homes

Sutanta Aditya/AFP

Ash from Mount Sinabung volcano fills the sky over an abandoned church during another eruption in Karo, in Indonesia’s North Sumatra province on Friday

Indian yoga practitioners participate in a full dress rehearsal for International Yoga Day in New Delhi on Friday

Prakash Singh/AFP

Indian yoga practitioners participate in a full dress rehearsal for International Yoga Day in New Delhi on Friday

Soldiers of the German armed forces, the Bundeswehr, stand next to their Marder light tanks during the NATO Noble Jump military exercises of the VJTF forces on June 18, 2015 in Zagan, Poland. The VJTF, the Very High Readiness Joint Task Force, is NATO's response to Russia's annexation of Crimea and the conflict in eastern Ukraine. Troops from Germany, Norway, Belgium, Poland, Czech Republic, Lithuania and Belgium were among those taking part today

Sean Gallup/Getty Images

Soldiers of the German armed forces, the Bundeswehr, stand next to their Marder light tanks during the NATO Noble Jump military exercises of the VJTF forces on Thursday in Zagan, Poland

A migrant child walks a the train station of Ventimiglia, where stranded migrants are taking shelter, on the Italian border with France, Ventimiglia, Italy, 18 June 2015. The migrants, who wished to cross the border have been blocked by the French and Italian police. The European Commission has proposed the mandatory relocation of 40,000 Syrian and Eritrean asylum seekers from Italy and Greece to other EU nations over two years, to help take pressure off those two countries

Luca Zennaro/EPA

A migrant child walks a the train station of Ventimiglia, where stranded migrants are taking shelter, on the Italian border with France, Ventimiglia, Italy

Race goers walk from the train station as they arrive for the third day of the Royal Ascot horse racing meet at Ascot, England, Thursday, June 18, 2015. The third day of Royal Ascot is traditional known as Ladies day, where fashion and hats come to the fore

Alastair Grant/AP

Race goers walk from the train station as they arrive for the third day of the Royal Ascot horse racing meet at Ascot, England on Thursday. The third day of Royal Ascot is traditional known as Ladies day, where fashion and hats come to the fore

A Christian cleric, inspects the damage caused to the complex of the Church of Loaves and Fishes, on Tabgha, on the shores on the Sea of Galilee, Israel, 18 June 2015. An Israeli police spokesman said, that they are investigating the possibility that the attack was carried out by Jewish extremists

Atef Safadi/EPA

A Christian cleric, inspects the damage caused to the complex of the Church of Loaves and Fishes, on Tabgha, on the shores on the Sea of Galilee, Israel on Thursday

Hot lava flows from the crater of Mount Sinabung as seen from Tiga Pancur, North Sumatra, Indonesia, early Thursday. Mount Sinabung, one of about 130 active volcanoes in the country, has been put at the highest alert level since June 2 due to the growing size of its lava dome.

Binsar Bakkara/AP

Hot lava flows from the crater of Mount Sinabung as seen from Tiga Pancur, North Sumatra, Indonesia, early Thursday

Afghan children study the Koran during first day of the month of Ramadan at a mosque in Jalalabad on Thursday, Islam's holy month of Ramadan, which is calculated on the sighting of the new moon, will begin on June 18 in Afghanistan. Muslims all over the world fast from dawn until dusk and dates are usually eaten to break the fast

Noorullah Shirzada/AFP

Afghan children study the Koran during first day of the month of Ramadan at a mosque in Jalalabad on Thursday, Islam’s holy month of Ramadan, which is calculated on the sighting of the new moon

Visitors react on the rock as a man jumps into the water, above Cleopatra's Beach, on a summer s day before the start of the holy month of Ramadan, which begins on June 18, at the Mediterranean city of Marsa Matrouh...Visitors react on the rock as a man jumps into the water, above Cleopatra's Beach, on a summer s day before the start of the holy month of Ramadan, which begins on June 18, at the Mediterranean city of Marsa Matrouh, northwest of Cairo, Egypt.

Amr Abdallah Dalsh/Reuters

Visitors react on the rock as a man jumps into the water, above Cleopatra’s Beach, on a summer s day before the start of the holy month of Ramadan at the Mediterranean city of Marsa Matrouh, northwest of Cairo, Egypt

A zombie promoting "The Walking Dead" game walks amongst gamers at the opening day of the Electronic Entertainment Expo, known as E3 at the Convention Center in Los Angeles, California on June 16, 2015. Console kings Microsoft and Sony battled for players' hearts with blockbuster games and the lure of virtual worlds as the annual Electronic Entertainment Expo began in Los Angeles

Mark Ralston/AFP

A zombie promoting “The Walking Dead” game walks amongst gamers at the opening day of the Electronic Entertainment Expo, known as E3 at the Convention Center in Los Angeles, California

A local farmer pauses her work as Mount Sinabung spews pyroclastic smoke, seen from Tiga Kicat village onWednesday in Sukanalu village, North Sumatra, Indonesia

Ulet Ifansasti/Getty Images

A local farmer pauses her work as Mount Sinabung spews pyroclastic smoke, seen from Tiga Kicat village onWednesday in Sukanalu village, North Sumatra, Indonesia

Race-goers relax on a bench displaying the Union Flag on the first day of the annual Royal Ascot horse racing event near Windsor, west of London, on June 16, 2015.

Ben Stansall/AFP

Racegoers relax on a bench displaying the Union Jack on the first day of the Royal Ascot meeting in Berkshire, England.

Members of the Palestinian Hamas security forces take part in a graduation ceremony in Gaza City on Tuesday

Mahmud Hams/AFP

Members of the Palestinian Hamas security forces take part in a graduation ceremony in Gaza City

 A student gives flowers to, embraces and welcomes with other young students US First Lady Michelle Obama in the courtyard before an event as part of the 'Let Girls Learn Initiative' at the Mulberry School for Girls on Tuesday in London, England. The US First Lady is travelling with her daughters, Malia and Sasha and her mother, Mrs. Marian Robinson, to continue a global tour promoting her 'Let Girls Learn Initiative'. The event at the school was to discuss how the UK and USA are working together to expand girl's education around the world

Jeff J Mitchell/Getty Images

A pupil embraces US First Lady Michelle Obama before an event at the Mulberry School for Girls in London, part of the Let Girls Learn Initiative.

Indian school students attend a yoga workshop conducted by teachers from The Sri Sri Ravi Shankar Institute at The FD Higher Secondary School in Ahmedabad on Tuesday.  Some 1300 students situated in the Muslim dominated Juhapura area of the western Indian city participated on the first day of a five day workshop. Events will be held across the nation on June 21, to mark World Yoga Day.

Sam Panthaky/AFP

School students attend a yoga workshop conducted by teachers from the Sri Sri Ravi Shankar Institute at the FD Higher Secondary School in Ahmedabad, India.