Samsung Galaxy Watch 4 Advertisement on Massive Digital Billboard Screen on STtown Coex Artium in Gangnam District of Seoul, cars in a traffic jam

samsung galaxy watch 4 ad advertisement massive big screen seoul coex centre digital billboard sttown coex artium gangnam district traffic jam four fourth generation model trade tower parnas tower artium transportation public jam stopped lane modern buildings futuristic huge impressive amazing size cars vehicles sunset south korea famous landmark building curved screen realtime template copy space commercial skyscraper