The city's promotional video plays on loop at the airport.
Tips
usage
Covers any short promotional film — corporate, government (城市宣传片), movie (though 预告片 is more specific for film trailers), or tourism. Government city-promo videos are a whole genre in China, often playing in airports and train stations.
grammar
宣传 'propagate / publicize' + 片 'film'. The 片 (piàn) reading means 'film/clip'; don't confuse with 片 (piān) 'slice/piece'.
