Seoul demolished a highway to revive a stream. Why?

The Cheonggyecheon restoration project has benefited Seoul in various areas including tourism, environment, culture and health. Photos: Prof Dr Noh Soo-hong

Now that Kuala Lumpur is embarking on the River of Life project, it may be pertinent to look back at how Seoul had also revived its downtown area by turning a smoggy, elevated highway into a green and restful waterway.

This was one of the topics discussed at the recent Smart Cities Asia 2017 Conference and Exhibition in KL.