Ørestad, a built-from-scratch district near the Danish capital’s airport and the Øresund Bridge and tunnel to Sweden, is meant to be a “crossroads of Scandinavia” and to eventually hold 100,000.”But ten years into Ørestad’s life, planners have quietly discarded its signature project, the 2006 master plan for a downtown designed by the Polish-American architect Daniel Libeskind. Why?”