"museum"=>"history","opening_hours"=>"Sa 13:00-16:00","operator"=>"Vereniging Oud Valkenburg","source:date"=>"2014-05-31"
"short_name"=>"Naturalis","toilets:wheelchair"=>"yes","url"=>"www.naturalis.nl","wikidata"=>"Q641676"
"email"=>"[email protected]","opening_hours"=>"Tu-Su 10:00-17:00; Oct 3,Jan 1,Dec 25,Apr 27 off","wikidata"=>"Q1662109","wikimedia_commons"=>"File:WLANL - Pachango - Sieboldhuis.jpg"
"email"=>"[email protected]","internet_access"=>"wlan","internet_access:fee"=>"no","opening_hours"=>"10:00-17:00","source:date"=>"2014-03-24","start_date"=>"1818","toilets:wheelchair"=>"yes","wikidata"=>"Q1860378"
"source:date"=>"2018-09-08","wikidata"=>"Q759169"
"email"=>"[email protected]","fee"=>"yes","opening_hours"=>"Th-Sa 13:00-17:00; Jan 1,Oct 3,Dec 24,Dec 25,Dec 31,Dec 26 off","source:date"=>"2014-06-14","wikidata"=>"Q670212"
"email"=>"[email protected]","wikidata"=>"Q18608766","description"=>"This authentic Weaver House was built about 1560, in the heyday of the Leiden textile industry. Many features from the 16th and 17th centuries have been preserved.","source:date"=>"2014-06-09"