Thank for the !
Thank you for favouring Fist Of God Ringworld Punture From Above And Below. This is a cross eye free viewable stereoscopic diptych showing the fabled 'volcano' on Ringworld from above and below in 3-D if you cross your eyes far enough.
As a dedicated SF fan you should investigate the 'SF short stories and novels' part of our gallery:
https://www.deviantart.com/aegiandyad/gallery/41200350/sf-stories-and-novels {Caution, any fiction not actually fantasy wound up here, including spy thrillers and other not-strictly-SF works. But here is golden age SF to be found.}