"access"=>"yes","surface"=>"paving_stones","surface_1"=>"grass"
"fee"=>"yes","max_age"=>"12","min_age"=>"0","operator"=>"Ballorig","addr:country"=>"NL","contact:phone"=>"+31 72 5723337","opening_hours"=>"Mo-Fr 09:00-18:00, Sa-Su 10:00-19:00","contact:website"=>"http://www.ballorig.nl/heerhugowaard","internet_access"=>"wlan","internet_access:fee"=>"no"