“The real artist’s work is a surprise to himself. The big painter is the one who has something to say. He thus does not paint men, landscape, or furniture, but an idea.” — Robert Henri

A couple of YouTube videos with a common thread (it’s a riddle).

(1) La Petite Ceinture: What Happened to Paris’s Lost Railway? (The Tim Traveller)

(2) Yesterworld: The Troubled History of Epcot’s Abandoned World Showcase – Part 1 (Yesterworld Entertainment)

(3) The CED: RCA Selectavision Videodisc (Technology Connections)