I read that after seeing it was a forgotten inspiration for Piranesi: https://www.betterreading.com.au/news/author-related/susanna-clarke-shares-the-inspiration

I read that after seeing it was a forgotten inspiration for Piranesi: https://www.betterreading.com.au/news/author-related/susanna-clarke-shares-the-inspiration-behind-her-enchanting-new-novel-piranesi/#:~:text=Asterion https://www.betterreading.com.au/news/author-related/susanna... (And probably House of Leaves)