Inside the Avicenna Mausoleum — Designed by Hooshang Seyhoun in 1945–1950, Avicenna Mausoleum and Museum in Hamadan was built in 1952
Photo Credit: By Nick Taylor - originally posted to Flickr as Avicenna Mausoleum, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=4583624