A sprawling summer festival along the Han River has drawn nearly 900,000 visitors, transforming Seoul’s waterfront into what city officials are cal...

A sprawling summer festival along the Han River has drawn nearly 900,000 visitors, transforming Seoul’s waterfront into what city officials are cal...

Urban rivers are usually reserved for scenic strolls or sunset picnics, but Seoul's municipal planners are taking a decidedly more hands-on approac...