What happened to the lawn?

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When we pulled up at the adult playground in Katanning, Western Australia, I was surprised to see the lawn covered in what looked a bit like kangaroo poo. However, there was too much of it even if the roos were brave enough to come so close to houses and humans. Then I thought maybe corellas, a species of cockatoo, were responsible as they often spoil lawns by pulling up the runners. However, it turns out the lawns were being aerated by ‘coring’. A coring machine punches holes in the lawn and removes plugs of grass. When soils become compacted, coring allows a better flow of water and oxygen. The holes left by the machine allow water, air and sun to penetrate more easily below the surface. Another new thing for me to learn.