Seoul City shortens digital billboard operating hours to conserve energy (The Chosun Daily)

Seoul City has decided to shorten the operating hours of 30 large electronic display boards in the Gwanghwamun and Myeongdong outdoor advertising free zones to promote energy conservation. The city reached an agreement with the operators to adjust the operating hours from the existing 6 a.m. to midnight to 7 a.m. […]