"name:ru"=>"Ондердендам","population"=>"600","population:date"=>"2017-01-01","postal_code"=>"9959","source:population"=>"CBS Buurt 2017","wikidata"=>"Q2493148"
"campers"=>"yes","caravans"=>"yes","fee"=>"yes","power_supply"=>"yes","sanitary_dump_station"=>"yes"
"email"=>"johanpruis@live.nl","seamark:name"=>"Stichting Recreatiehaven Onderdendam","seamark:type"=>"harbour","seamark:harbour:category"=>"marina"