Colmar, with it’s pastel half-timbered houses, winding canals, and flower-draped balconies, looks like it leapt straight out of a storybook. The best thing to do …

Colmar, with it’s pastel half-timbered houses, winding canals, and flower-draped balconies, looks like it leapt straight out of a storybook. The best thing to do …