Containers used as housing for refugees at former Berlin Tempelhof airport in Berlin. Photograph: Filip Singer/EPA Berlin’s hulking Nazi-era Tempelhof Airport was once the world’s largest building, with a 1.2km-long facade. Closed for air travel in 2008, not even this sprawling building can cope with Germany’s renewed refugee crisis. Repurposed last year for emergency accommodation, its original 840 beds in two hangers have been topped up with additional white containers and tents erected on grass verges around the complex for arrivals from Syria, Afghanistan, Benin and more. “Nothing more is possible here,” said Peter Hermanns, manager of the facility. “We...