The illusion is based on the principle known as the Hollow Man, and is ancient. You see it in the Haunted Mansion at Disneyland with the two busts that follow you as you walk past them.
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The illusion is based on the principle known as the Hollow Man, and is ancient. You see it in the Haunted Mansion at Disneyland with the two busts that follow you as you walk past them.
