For more than four years, a viral video of an exceptionally steep bridge has confounded the internet. Is it a real and scary setup? Or has the video been edited?

MARATHON, Fla. (CBSMiami) — A South Florida man won the overall men's title during an annual footrace over the Florida Keys Overseas Highway's longest bridge. About 1,500 ran in the Seven Mile ...

For more than four years, a viral video of an exceptionally steep bridge has confounded the internet. Is it a real and scary setup? Or has the video been edited?