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Here’s a freaky little ad stunt from Spanish agency Shackleton. The agency installed loudspeakers and hidden cameras in the busiest subway station in Madrid, and then played sounds that accurately reproduced those of an arriving train—the train approaching and braking, the doors opening and closing, the train leaving the station.
But the passengers couldn’t see it. “Just like a ghost!” the agency says.
See the rest of the stunt, including the advertiser, here:
The work won a silver Lion in Outdoor at Cannes last week.
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