"cabins"=>"yes","campers"=>"yes","caravans"=>"yes","fee"=>"yes","internet_access"=>"wlan","power_supply"=>"yes","source:date"=>"2019-10-03","tents"=>"yes"
"dogs"=>"yes","fee"=>"yes","internet_access"=>"wlan","power_supply"=>"yes","sanitary_dump_station"=>"yes","source:date"=>"2014-02-11"