We tend to think of classic art as being all dignified and serious, if perhaps a little stuffy. But that's only because we're not looking closely enough. As we've pointed out before, a lot of classical art is like a "Where's Waldo?" picture, but with more bare breasts and less mockery from your peers if they catch you puzzling over it.
The Ambassadors by Hans Holbein the Younger is an enigmatic masterpiece loaded with enough strategic placements and hidden meanings to frustrate Stanley Kubrick. The portrait is a masterwork of perspective study, delving so deeply into the subject that it seemingly contains the 16th century equivalent of a Photoshop error.
Shoulder poofiness = 300%
The Easter Egg:
But that's actually a nifty trick called anamorphosis. Why, all you have to do is turn the picture sideways ...
And boom! Holo-skull.
See? This 3-D bullshit has been going on for centuries.
The whole thing was Holbein's elaborate way of illustrating that no matter what, everybody dies. But considering that this crazy pseudo-hologram was painted by hand all the way back in 1533, we're assuming that maxim didn't apply to Holbein himself, who just hopped onto his hover-farthing and warped back to his home dimension when his time was up.