Cite this article Hajduková, R., Sopirová, A. (2021) ‘Spatial potential of middle-sized towns in Slovakia: Lost spaces of Humenné, Levice and Topoľčany’, Architecture Papers of the Faculty of Architecture and Design STU, 26(2), pp. 3-13. https://www.doi.org/10.2478/alfa-2021-0008 SUMMARY Nowadays, the biggest challenge of urban planners is coping with the climate change and applying the principles […]