"operator"=>"IJsvereniging Kaakheem Ten Boer","seasonal"=>"yes"
"indoor"=>"yes","opening_hours:url"=>"https://sport050.nl/sportlocaties/sportcentrum-kardinge/recreatief-schaatsen/#openingstijden"
"opening_hours:url"=>"https://sport050.nl/sportlocaties/sportcentrum-kardinge/recreatief-schaatsen/#openingstijden"