Some playgrounds have tender surfaces but they don't cover a wide enough area. The soft surface area, or ??fall zone,??beneath a swing, by way of example, ought to lengthen out twice as far as the height from the swing in equally the front and also the back. Zion National Park: http://jasper1dw37.livebloggs.com/2496390/not-known-facts-about-safety-playground-verification