Munich

Helpers hold a balloon of the developmental advocacy and campaigning organisation 'ONE' depicting US President Barack Obama while it is filled with air on the Odeonsplatz in Munich, Germany, 05 June 2015. State and government leaders of the G7 countries are meeting on 07 and 08 June 2015 in Schloss Elmau near Garmisch-Partenkirchen

Tobias Hase/EPA

Helpers hold a balloon of the developmental advocacy and campaigning organisation ‘ONE’ depicting US President Barack Obama while it is filled with air on the Odeonsplatz in Munich on Friday

Activists of global anti-poverty charity Oxfam wearing masks depicting leaders of the member countries of the G7 (L-R) Italian Prime Minister Matteo Renzi, U.S. President Barack Obama, Canadian Prime Minister Stephen Harper, Japanese Prime Minister Shinzo Abe, German Chancellor Angela Merkel, French President Francois Hollande and British Prime Minister David Cameron, protest prior to the G7 summit, in Munich, Germany June 3, 2015. The Group of Seven (G7) two-day summit, being held at Elmau palace in Bavaria, begins on Sunday

Wolfgang Rattay/Reuters

Activists of global anti-poverty charity Oxfam wearing masks depicting leaders of the member countries of the G7 Italian Prime Minister Matteo Renzi, U.S. President Barack Obama, Canadian Prime Minister Stephen Harper, Japanese Prime Minister Shinzo Abe, German Chancellor Angela Merkel, French President Francois Hollande and British Prime Minister David Cameron, protest prior to the G7 summit, in Munich, Germany on Thursday

A man walks through the still empty rows of chairs before the beginning of the annual general meeting of Siemens AG in Munich, Germany, 27 January 2015.

Peter Kneffel/EPA

A man walks through the still empty rows of chairs before the beginning of the annual general meeting of Siemens AG in Munich on Tuesday

Strollers watch the sunset at the Olympic park in Munich, southern Germany, Sunday evening, Oct. 19, 2014. (AP Photo/dpa, Sven Hoppe)

AP Photo

Strollers watch the sunset at the Olympic park in Munich, southern Germany

The Sumatra Orang-Utan Matra (R) holds h...The Sumatra Orang-Utan Matra (R) holds her one week old baby and smooches with her other daughter Jolie in the enclosure at the zoo Hellabrunn in Munich, southern Germany on February 7, 2014. The little Orang-Utan baby was born in the zoo on January 31, 2014 and hasn't been named yet.

Christof Stache/AFP

A Sumatran orangutan holds her one-week old baby and smooches with her other daughter Jolie in the enclosure at the Hellabrunn zoo in Munich, Germany. The baby was born on January 31 but has yet to be names 

Oktoberfest 2013...MUNICH, GERMANY - OCTOBER 1:  A bavarian visitor in a traditional "Lederhosen"  participates in a  funfair attraction called "Hau den Lukas" at the Oktoberfest 2013 beer festival at Theresienwiese on October 1, 2013 in Munich, Germany. At the funfair attraction "Hau den Lukas" you have three tries to hit the target with a hammer so hard that a bell at the top rings. The Munich Oktoberfest, which this year will run from September 21 through October 6, is the world's largest beer fest and draws millions of visitors. (Photo by Joerg Koch/Getty Images)

Joerg Koch/Getty

A Bavarian visitor in lederhosen takes part in Hau den Lukas, a funfair attraction, at the Oktoberfest beer festival at Theresienwiese in Munich, Germany. Oktoberfest runs until October 6 and is the world’s largest beer festival. 

Workers sit in an empty beer tent as preparations get under way for the world's biggest beer festival, the Oktoberfest, at the Theresienwiese fairgrounds in Munich, Germany. This year's festival opens September 21 and runs to October 6, 2013.

Christof Stache / AFP

Workers sit in an empty beer tent as preparations get under way for Oktoberfest, the world’s biggest beer festival, at the Theresienwiese fairgrounds in Munich, Germany. This year’s festival opens on Saturday and runs until October 6.

A waitress presents the official Oktoberfest beer mug during a presentation in Munich August 27, 2013. The Oktoberfest, the world's biggest beer festival, runs from September 21 until October 6 this year.

Michael Dalder/Reuters

The Oktoberfest beer mug is presented during a presentation in Munich. The event, the world’s biggest beer festival, runs from September 21 to October 6.

Munich Prepares For 2013 Oktoberfest...MUNICH, GERMANY - AUGUST 22:  A worker stands on a lifting ramp in the Hacker-Pschorr beer tent during the preparation for the 2013 Oktoberfest beer festival on August 22, 2013 in Munich, Germany. Munich Oktoberfest, which opens to the public on September 21, draws millions of visitors and is the biggest beer festival in the world.

Lennart Preiss/Getty

A worker on a lifting ramp in the Hacker-Pschorr tent makes preparations on Thursday for the 2013 Oktoberfest beer festival in Munich, Germany. The Oktoberfest, which opens to the public on September 21, draws millions of visitors and is the biggest festival of its kind in the world 

Visitors stand at a site crane at the booth of the German company Liebherr at the International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment "BAUMA" in Munich, southern Germany, on April 18, 2013. More than 3.400 exhibitors from 57 countries shows their newest products during one of the great trade fair until April 21, 2013.

Christof Stache/AFP

Visitors high in the sky and a crane site at the booth of the German company Liebherr at Bauma, the International Trade Fair in Munich, southern Germany, on April 18, 2013. More than 3.400 exhibitors from 57 countries shows their newest products during the great trade fair until April 21, 2013.