The "self-cleaning roads" are actually to cool down the asphalt in the summer to reduce the urban heat island effect in the densest parts of Seoul. Still very cool.
"In Some Asian Countries (Korea) The 4th Floor Button In The Elevator Is 'F' Because It 4 Sounds Same As 'Death'. When I Go Home I Always Have To Pay Respect"
The "self-cleaning roads" are actually to cool down the asphalt in the summer to reduce the urban heat island effect in the densest parts of Seoul. Still very cool.
lmaooo