This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
HerbalPatch Lippensgoed Bulskampveld. Beernem Belgium Domain LippensgoedBulskampveld The patch is made rectangular with large slick stones between the rows Rectangular intermitted circular patches as well as elevated patches are also frequently made not shown here Intermittend rectangular patterns are however preferred for even easier