"information"=>"map","map_size"=>"city","map_type"=>"street"
"information"=>"office","opening_hours"=>"Mo-Sa 09:00-18:00; Su 11:00-18:00","source:date"=>"2014-09-08"
"board_type"=>"welcome_sign","information"=>"board","operator"=>"Koninklijke Luchtmacht","wikimedia_commons"=>"File:Vliegbasis Leeuwarden Bord.jpg"
"board_type"=>"nature","information"=>"board"