The presentation is based on a conference article by Aleksi Neuvonen and professor Peter Ache (Radboud University Nijmegen) and it was held at Urban Futures - Squaring Circles 2050: Europe, China and the World conference in Lisbon on October 11th 2014. It revisits the Greater Helsinki Vision 2050 process in 2006-2009 and evaluates it from the perspectives of backcasting scenarios and strategic learning.