"cabins"=>"yes","campers"=>"yes","caravans"=>"yes","fee"=>"yes","internet_access"=>"wlan","power_supply"=>"yes","tents"=>"yes"
"cabins"=>"yes","campers"=>"yes","caravans"=>"yes","dogs"=>"yes","fee"=>"yes","internet_access"=>"wlan","power_supply"=>"yes","tents"=>"yes"