Present and future / Slogan

This slogan is a transparent water tank like the
earth.On the outside of the glass paint the part of the
continent of the Earth. When we use the faucet before,
the slogan is a beautiful blue Earth .But the water in the water tank will decline when we
use the water,and the Earth will be grayed out. Part of the continent will change from green
to yellow-green due to the reduction of water. To let the user to reflect on the importance
of water for our earth.