TEMPLE OF THESEUS–A MONUMENT OF GREEK SPLENDOR.
illustration of
Temple of Hephaestus
license
public domain
page 68 of
Universal Manual of Ready Reference (archive.org)
random
Making a falling sand simulator by Jason McGhee (jason.today)
tags
Internet Archive
website
https://archive.org/details/universalmanualo00ruof/page/n67/mode/2up