Yona Friedman

Images by Elena Boils

As the fairs move forward this year, there's more to do than ever - both inside and out

Yona Friedman, Ville spatiale (Spatial City), 1959–60

A letter to the visionary architect Yona Friedman

By Jean-Baptiste Decavèle

For this exhibition of the architect's work at the Ludwig Museum, Budapest, a bewildering array of materials and structures

By Robert Barry