The Currys PC World installation, which went live this morning (3 August) for two days, contains 88 Dyson fans, with 16 located in the floor.
Simon Dornan, head of Customer PR at Dixons Carphone, told Event: "At this time of year, Currys PC World focuses on promoting our cooling products, such as fridges, freezers and fans. Trains are notoriously hot places for commuters, so we came up with the idea of creating a giant fan to cool down commuters."
#TheBigChill is part of Currys PC World's wider marketing campaign this summer.
The structure was created by agency Audience.
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