corrugated iron ... there is a facebook page named the corrugated iron appreciation society ... i felt they weren't being scholarly or encyclopaedic and definitely lacking context ... so i let the obsession run for a while ... especially when i realized that there must be hundreds on google maps' street view ... eventually, they rusticated me ...

here are a few of the nicer ones ..

 

won't you come up and see my etchings ?

https://en.wikipedia.org/wiki/Ennemond_Alexandre_Petitot

https://www.metmuseum.org/art/collection/search/355281#:~:text=In%20'Masquerade%20%C3%A0%20la%20Grecque,with%20Greek%20and%20Roman%20Antiquity.