Berlin

A Lufthansa aircraft lands at the Frankfurt, central Germany, airport Monday morning. The Vereinigung Cockpit union announced a 35-hour strike at Lufthansa's short-haul fleet starting mid-Monday, the latest in a string of walkouts over retirement benefits.

Fredrik von Erichsen/dpa/AP

A Lufthansa aircraft lands at the Frankfurt, central Germany, airport Monday morning. The Vereinigung Cockpit union announced a 35-hour strike at Lufthansa’s short-haul fleet starting mid-Monday, the latest in a string of walkouts over retirement benefits

Physicians step out of disinfection chamber after cleaning their protective suits at quarantine station for patients with infectious diseases in Berlin

Thomas Peter/Reuters

Florian Steiner, right, a tropical medicine doctor, and Thomas Klotzkowski, a ward physician, step out of a disinfection chamber after cleaning their protective suits at a quarantine station for patients with infectious diseases at the Charite hospital, Berlin.

The German soccer squad  arrives in central Berlin Tuesday, July 15, 2014. Germany s World Cup-winning team has returned home  from Brazil to celebrate the country s fourth title with huge crowds of fans. The team s Boeing 747 touched down at Berlin s Tegel airport midmorning Tuesday after flying a lap of honor over the  fan mile  in front of the landmark Brandenburg Gate.

Markus Schreiber/AP

The German football team arrives in central Berlin on Tuesday. Germany’s World Cup-winning team has returned home from Brazil to celebrate the country s fourth title with huge crowds of fans lining the streets

German Chancellor Angela Merkel tours the exhibition: "The First World War, 1914-1918" ("Der Erster Weltkrieg, 1914-1918") on its official opening at the Deutsches Historisches Museum in Berlin, Germany

Zich Jochen/Getty Images

German Chancellor Angela Merkel tours the exhibition: “The First World War, 1914-1918″ (“Der Erster Weltkrieg, 1914-1918″) on its official opening at the Deutsches Historisches Museum in Berlin, Germany

German Chancellor Merkel and Canadian Prime Minister Harper address joint news conference at Chancellery in Berlin...German Chancellor Angela Merkel and Canadian Prime Minister Stephen Harper address a joint news conference at the Chancellery in Berlin March 27, 2014.               REUTERS/Kai Pfaffenbach (GERMANY  - Tags: POLITICS)

Kai Pfaffenbach/Reuters

German Chancellor Angela Merkel and Canadian Prime Minister Stephen Harper address a joint news conference at the Chancellery in Berlin Read more

Angela Merkel, Matteo Renzi...German Chancellor Angela Merkel, right, welcomes Prime Minister of Italy Matteo Renzi, left, for German and Italian government consultations at the chancellery in Berlin, Monday, March 17, 2014. (AP Photo/Markus Schreiber).

Markus Schreiber/AP

German chancellor Angela Merkel, right, welcomes Italy‚Äôs prime minister, Matteo Renzi, for intergovernmental consultations at the chancellery in Berlin on Monday. Read more

A man visits the snow covered Holocaust Memorial at the International Holocaust Remembrance Day in Berlin, Monday, Jan. 27, 2014. The German parliament Bundestag will hold a special remembrance session at the Reichstag building in commemoration of the liberation of the Auschwitz death camp on Jan. 27, 1045.

Markus Schreiber/AP

A man visits the Holocaust Memorial at the International Holocaust Remembrance Day in Berlin. The German parliament, the Bundestag, held a special remembrance session at the Reichstag building in commemoration of the liberation of the Auschwitz death camp on January 27, 1945.

A model presents a creation of fashion label Malaikaraiss'  Autumn Winter 2014 collection during the Mercedes Benz Fashion Week in Berlin, Wednesday, Jan. 15, 2014.

Markus Schreiber/AP

Shoes created by fashion label Polaire, shown during Mercedes Benz Fashion Week in BerlinRead more

EDS NOTE NUDITY - A model wears a creation of Lena Hoschek's Autumn Winter 2014 collection during the Mercedes Benz Fashion Week in Berlin, Tuesday, Jan. 14, 2014.

Markus Schreiber/AP

A model shows off an outfit from Lena Hoschek’s autumn/winter 2014 collection during the Mercedes Benz Fashion Week in BerlinRead more

German Chancellor Angela Merkel  uses  crutches as she attends the annual reception for Carolers at the chancellery in Berlin,  Tuesday Jan. 7, 2014. German Chancellor Angela Merkel  suffered a  pelvis  injury during ski holidays  in the Swiss Alps and will have to cut back on her work schedule for the next three weeks.

Markus Schreiber/AP

German Chancellor Angela Merkel attends the annual reception for carolers at the chancellery in Berlin on Tuesday on crutches. Ms Merkel suffered a pelvis injury while skiing in the Swiss Alps and has been advised to cut back on her work schedule for the next three weeks