"max_age"=>"10","min_age"=>"2","surface"=>"unpaved","playground:slide"=>"yes","playground:swing"=>"yes","playground:springy"=>"yes","playground:climbingframe"=>"yes"
"access"=>"yes","max_age"=>"8","min_age"=>"1","playground:climbingwall"=>"yes","playground:playhouse"=>"yes","playground:slide"=>"yes","surface"=>"sand"
"access"=>"yes","max_age"=>"8","min_age"=>"3","playground:chain_ladder"=>"yes","playground:climbingwall"=>"yes","playground:playhouse"=>"yes","playground:slide"=>"yes","surface"=>"sand"