The Hefbrug in 2013. (Credit Frans Schouwenburg via Flickr ) The historic Dutch bridge, de Hefbrug, has been much in the news recently. First, some background. The Nazi Invasion of the Netherlands On May 10,1940, Germany invaded the Netherlands. One of the immediate objectives was the capture of the strategically and commercially important port city of Rotterdam. The city straddles both side of the Nieuw Maas which in those days were connected by two bridges, the Willemsbrug (William Bridge) and the Koningshavenbrug or the Hefbrug and affectionately as De Hef. The Willemsbrug was a vehicular, …