"operator"=>"Stayokay","source:date"=>"2014-02-11","addr:country"=>"NL"
"operator"=>"https://www.stayokay.com/nl/hostel/amsterdam-vondelpark","source:date"=>"2014-03-24","addr:country"=>"NL","surveillance"=>"yes"
"internet_access"=>"wlan","internet_access:fee"=>"no","operator"=>"Stayokay","source:date"=>"2014-03-24"