A remarkable practice manoeuvre of the German Army. It will be noted that the swimming horses are towing the barges on which the soldiers are crossing the stream.A remarkable practice manoeuvre of the German Army. It will be noted that the swimming horses are towing the barges on which the soldiers are crossing the stream.A remarkable practice manoeuvre of the German Army. It will be noted that the swimming horses are towing the barges on which the soldiers are crossing the stream.