"guest_house"=>"bed_and_breakfast","source:date"=>"2014-03-24"
"rooms"=>"1","smoking"=>"outside","guest_house"=>"bed_and_breakfast","internet_access"=>"wlan"
"rooms"=>"2","smoking"=>"outside","guest_house"=>"bed_and_breakfast","source:date"=>"2014-03-24","internet_access"=>"wlan"