"abandoned:military"=>"bunker","bunker_type"=>"gun_emplacement","description"=>"bunker","gun_emplacement_type"=>"tankturret","heritage"=>"yes","operator"=>"dutch","period"=>"1950-60"
"bunker_type"=>"gun_emplacement","gun_emplacement_type"=>"tankturret","operator"=>"dutch","period"=>"1950-60"