From the late 70's......In 40-45 years it changed and recovered from the WWII bombardments. Rotterdam is a perfect cruiseport. Rotterdam itself (https://en.rotterdam.info/visitors-info/rotterdam-tourist-information/ ) but at short distance from Delft, The Hague, Gouda, Dordrecht, Kinderdijk, Amsterdam (less than 40 minutes by train), Haarlem etc.