Titta på gratis video Gröna Lund Prank: The Haunted Poster

Gröna Lund has released this scary yet hilarious prank, which has gone viral!

The brand promotes the scariest attraction ever – a themed park, where the worst nightmares come to life. To demonstrate the feelings it ignites, the creatives have made an outdoor poster with a person inside of it. So when the unaware passers by got closer, they would get frightened by an awful sound and a figure trying to reach out for them.