File:122ConceptArt7.jpg

Summary
Source: https://www.ebay.com/itm/ONCE-UPON-A-TIME-TV-Series-Concept-Art-Underground-Cavern-3230-/352600209934?hash=item52189c3a0e%3Ag%3AqjAAAOSwqolcbtlg&nma=true&si=CNMmWZA097LYcOsfeGFCVrUqNg4%253D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557