<https://colormadehappy.com/how-to-make-a-watercolor-mandala-background-using-tombow-brush-pens/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://colormadehappy.com/how-to-make-a-watercolor-mandala-background-using-tombow-brush-pens/>