"artist_name"=>"Tim Hoving","artwork_subject"=>"three tall, frame-shaped portals and four wedge-shaped concrete symbolise a gateway and serve as a transition from everyday life to the world of academic research and education.","artwork_type"=>"sculpture","material"=>"stainless steel;concrete","name:en"=>"Portals","name:nl"=>"Portalen","source:date"=>"2020-05","start_date"=>"1987"