Send the following on WhatsApp
Continue to ChatSeoul is the 2015 Earth Hour City Challenge Capital! https://talkofthecities.iclei.org/seoul-is-the-2015-earth-hour-city-challenge-capital/
Seoul is the 2015 Earth Hour City Challenge Capital! https://talkofthecities.iclei.org/seoul-is-the-2015-earth-hour-city-challenge-capital/