There are indeed a lot of tulips in Amsterdam. We learned in Dutch class that a modern entrepreneur promoted the idea of one tulip for every person in the city. They are at their peak right now. The landlady put several flower arrangements in our apartment; after 9 days they are all spent. Here is one tulip interior after the petals had drooped. There is enough pollen for a lot of baby tulips that is going to waste here; no bugs to spread it around and no receptive plants to be had. Fortunately, the Dutch have made sure there are enough tulips for everyone who wants some.
One Amsterdammer commented on the character of the Dutch: if they can make money, the stores will be open. So we expect a lot of things to be open on Easter.