Looking for a short holiday? A citytrip? Not too far away? Try Rotterdam. Vivid and colourful.20 years, that is how long it has been when I was in Rotterdam. And i must admit I was positively surprised. The city had a successful transformation during that period of absence. Like Antwerp, Rotterdam is a harbour city, the largest of Europe. Unlike Antwerp the city has canals and lots of green to offer. Architecture is modern and even eccentric. Big chunks of R-dam city centre have been rebuild after WWII. On May 14, 1940 most of it was destroyed due to bombing …