The recreational potential for wastelands as well as users’ preferences for wasteland aesthetics. Case study of Warsaw, PolandBeata J. Gawryszewska, Anna Wilczyńska, Maciej Łepkowski, Ryszard Nejman and Martyna CziszewskaE3S Web Conf., 45 (2018) 00018DOI: https://doi.org/10.1051/e3sconf/20184500018