"The stream helps to cool down the temperature on the nearby areas by 3.6 °C on average versus other parts of Seoul" Economy greatly improved, energy requireme

"The stream helps to cool down the temperature on the nearby areas by 3.6 °C on average versus other parts of Seoul" Economy greatly improved, energy requirements decreased, people more happy and healthy and a touristic attraction and nicer city. The project is paying for itself, it seems...