kartonage
Latest Sentinel imagery (2021-11-01 & 2021-12-11) shows only forest with just a minor clearing in the middle, similiar to the Poznań latest othophotomap (https://apps.sentinel-hub.com/sentinel-playground/?source=S2L2A&lat=52.463324622086425&lng=16.865354776382446&zoom=16&preset=2_FALSE_COLOR&layers=B01,B02,B03&maxcc=100&gain=1.0&gamma=1.0&time=2021-06-01%7C2021-12-11&atmFilter=&showDates=true). 