<https://dornob.com/geometric-staircase-perforated-with-12000-shots-of-water/villa-mallorca-copper-staircase-making/#listItem>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://dornob.com/geometric-staircase-perforated-with-12000-shots-of-water/villa-mallorca-copper-staircase-making/>