"hiking"=>"yes","information"=>"map","map_size"=>"site","map_type"=>"scheme"
"board_type"=>"history","description"=>"Steenfabriek de Ruyterwaard","information"=>"board"
"hiking"=>"yes","information"=>"map","map_size"=>"site","map_type"=>"scheme"
"board_type"=>"nature","description"=>"De Boterkampen","information"=>"board"