A special event was organized by the scientific team of LIFE GRECABAT at the entrance of Paleomylos sinkhole in Akraifnio, Boeotia on Thursday 30/06/2022 (from 19:30 to 23:00), following the workshop in Akraifnio, the researchers of the project demonstrated the way of working and the equipment (Bat detectors, sampling nets, animal handling) for the recording of bats.