Foto 1: Workers sit on a locomotive carrying the flags of the six Member States of the European Coal and Steel Community (ECSC) and pulling wagons loaded with coal crossing the Franco-Luxembourg border, without stopping at it, to mark the opening of the common market for coal and iron ore,  May 2nd, 1956.
Foto 2: Workers sit on a locomotive carrying the flags of the six Member States of the European Coal and Steel Community (ECSC) and pulling wagons loaded with coal crossing the Franco-Luxembourg border, without stopping at it, to mark the opening of the common market for coal and iron ore,  May 2nd, 1956.
Foto 3: Workers sit on a locomotive carrying the flags of the six Member States of the European Coal and Steel Community (ECSC) and pulling wagons loaded with coal crossing the Franco-Luxembourg border, without stopping at it, to mark the opening of the common market for coal and iron ore,  May 2nd, 1956.