Windmills In the Front Yard

There are thirteen windmills and three birdhouses in the yard of a house facing a busy street. Each one sports its own unique architecture and paint job. Cars whizz around the curve and most drivers probably don't have time to notice the windmills. Many of them are half-hidden among the evergreens lining the sidewalk. Who built these and why are there so many? Are they an homage to the builder's Dutch ancestry? Perhaps they were the work of a retired shop teacher with a basement full of tools, or of someone with dreams of opening a series of miniature golf courses. I'll never know. It's enough to be able to slow down and enjoy the sight.