The difficult conditions the firefighters faced in the caves—narrow spaces, darkness and varied terrain—reflected the conditions they may encounter during building collapses or landslides.
Familiarization with the specifics of operations in confined spaces formed part of the professional development of firefighters from the Technical Rescue Specialist Group in Bolesławiec, whose tasks include stabilizing excavations and earth backfills during operations carried out in cooperation with search-and-rescue groups.