"direction"=>"backward","traffic_calming"=>"hump","traffic_sign"=>"city_limit"
"name:ru"=>"Ондердендам","population"=>"600","population:date"=>"2017-01-01","postal_code"=>"9959","source:population"=>"CBS Buurt 2017","wikidata"=>"Q2493148"
"email"=>"johanpruis@live.nl","seamark:harbour:category"=>"marina","seamark:name"=>"Stichting Recreatiehaven Onderdendam","seamark:type"=>"harbour"
"direction"=>"backward","traffic_calming"=>"hump","traffic_sign"=>"city_limit"
"seamark:harbour:category"=>"marina","seamark:name"=>"WSV op 't end","seamark:type"=>"harbour"
"direction"=>"forward","traffic_calming"=>"hump","traffic_sign"=>"city_limit"
"fee"=>"yes","internet_access"=>"yes","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"