The 2019 Shenyang International Advertising Expo opens at Shenyang New World Expo in Shenyang, Northeast China’s Liaoning province, on March 15. More than 300 advertising companies from across the world showcased their latest equipment, technologies and products related to advertising at the event, which ran until March 18. [Photo/IC]

A visitor snaps photos of different advertising boards at the expo in Shenyang, on March 15. [Photo/IC]