How many vacant buildings are there Poznan? How can their usability be restored? What good practices exist for their interim management? What role can the city council play? Malta’s guest speakers are: Paulina Grębosz – member of the Napraw Sobie Miasto Foundation (Katowice); Mariusz Wiśniewski – Deputy President of Poznań; Jakub Głaz, architecture critic, journalist, member of the Otwarte group.