Global warming makes the weather higher than the past, this causes the Urban Heat Island Effect.
It has affected severely in urban areas for a long time, which makes the public facilities are easily
damaged. Thanks to the weather, transportation, and human beings, we have rethought about
combining the existing equipment and natural resources as solutions.
On the other hand, we figure out that water easily gets wasted, so we desire to make good use of
the characteristics of water to cool down the temperature in urban areas, and make those water
can be restored and utilized sufficiently