Parks are traditionally mixed use spaces – for kids playing, ball games, drinking or eating, walking dogs…. Of course, sometimes these activities get in the way of each other, but generally people are reasonable and negotiate the space. Now we are seeing more zoning of public space, with specialist dog walking zones (no kids), designated drinking zones (drunks only), children’s play areas (no unaccompanied adults). Towns including Peterborough have proposed designated ‘wet zones’ – ie, areas of the park where street drinkers are allowed to hang out (drinking is banned everywhere else). Meanwhile, parks in Washington State are planning to ban kids…