Photo = Yonhap News

Visitors to the World Smart City Expo on Sept. 9 stop by the Next Aerospace booth to see a rapidly deployable, highly maneuverable vertical takeoff and landing (VTOL) unmanned vehicle and a single-seat prototype of a hybrid manned-unmanned VTOL aircraft with distributed propulsion at Exhibition Center 1 of the convention complex BEXCO in Busan's Haeundae-gu District.

The three-day event has 277 participating companies showcasing smart city technologies and services in sectors such as artificial intelligence, transportation and mobility, housing, energy and the environment, crime prevention and disaster management.