A U.S. Air Force C-130H Hercules aircraft assigned to the 142nd Airlift Squadron, Delaware Air National Guard is on the… https://www.rawpixel.com/image/8739178/photo-image-airplane-public-domain-personFree Image from public domain licenseStudy of a Figure in a Niche (Saint Ambrose; recto); Architectural Studies: Four Alternative Designs for Fictive Niches and… https://www.rawpixel.com/image/9184740/image-arcimboldo-chosen-angel-drawing-figure-studyFree Image from public domain licenseSt. Francis Receiving the Stigmata (1887) angel illustration by Sir Edward Coley Burne-Jones. Original public domain image… https://www.rawpixel.com/image/10103555/image-person-art-skyFree Image from public domain license