Sometimes spring looks as if someone decided to transform the earth into a work of art. In the Netherlands, this happens every year—briefly, for just a few weeks. And that's precisely why tulip season here seems so precious: brief as a breath, bright as a promise. The Netherlands in April is a country where color becomes the landscape. Not individual flowerbeds or "pretty flowers," but entire fields stretching to the horizon. Red, pink, lemon, white, purple—in neat stripes, a