"government"=>"customs","opening_hours"=>"Mo-Fr 06:00-22:45, Sa 06:00-20:00, Su 08:15-22:00","operator"=>"Belastingdienst","seamark:building:function"=>"customs","seamark:type"=>"building","source:date"=>"2014-02-11"
"government"=>"military","source:date"=>"2017-03-19"