Can You Tell Why People Are Drawn To This Hot Dog Challenge?

Most hot dog challenges involve shoving dozens of hot dogs down your throat in front of a cheering crowd, but this video by Howard Lee of Aberystwyth, Wales features a different kind of hot dog challenge.

The challenge here is to figure out which hot dog is real and which is a photo realistic drawing:

(YouTube Link)

And here's a collection of Howard's 10 most impressive, photo realistic illustrations complete with time lapse of the drawing process, to further showcase Howard's amazing drawing skills.

(YouTube Link)