Children on slide playground Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Children on slide playground Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Hula Hoop Playground Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Hula Hoop Playground Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Kindergarten in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Factory workers in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Factory workers in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial photograph of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial photograph of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial photograph of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial view of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial photograph of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Aerial view of the sector border in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Exhibition grounds Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

At the Wannsee in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

At the Wannsee in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

At the Wannsee in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

At the Wannsee in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

At the Wannsee in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Night on Kurfürstendamm in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.

Night on Kurfürstendamm in Berlin 1961, Licence article; Original: 5740x4315; Photographer: Unknown; subject to licence; Rights: © Bleek/zb Media.