Forty years ago, on April 4th 1973, Minoru Yamasaki’s World Trade Center in Manhattan opened officially. The following photographs were taken in 1971 by Heinz Baumann from the agency Comet.

Forty years ago, on April 4th 1973, Minoru Yamasaki’s World Trade Center in Manhattan opened officially. The following photographs were taken in 1971 by Heinz Baumann from the agency Comet.