Installation of an environmental interpretation sign in the Paleomylos sinkhole Conservation actions / 19 December 2021 The installation of the environmental interpretation sign of LIFE GRECABAT, at the entrance of the Paleomylos sinkhole, in Akraifnio Orchomenos, was presented by tv channel STAR Central Greece. https://www.youtube.com/watch?v=38hy4S3Rf-0&t=297s