What should we do with water (at the stadium)?

What should we do with water (at the stadium)? When you are watering a football stadium... Description: water a football stadium Image copyright: http://www.google.com/imgres?imgurl=http://farm4.static.flickr.com
You should use less water when you water the stadium. You should use a tank to gather rain water. You shouldn't use too much water. Why not use rain water to save water?

This page was edited by mathis-reniel-samuel (Teacher: Mrs Benmimoune) using Web Poster Wizard.