A good one if not brilliant using manhole sticker.
Water is precious. Let's conserve it.
Similar to the first ad.
An excellent ad which addresses the issue of missing manhole covers.
This is our favorite one. A real good idea to utilize the steam coming out of small holes on the sticker.
It uses the similar concept of the steam as in the above advertisement.
Circuit Box Art.
What If Fox News Were Around During Other Historical Events?