Episode details
Available for 30 days
Robert Macfarlane is on his travels in various worlds beneath our feet. On the Italian-Slovenian border he goes underground with the guide Sergio. Underneath the Karst, that is, where: "a path winds down past blocks of limestone, to a brick hut. The hut is built over the entrance to the abyss..." Read by the author. Abridged by Katrin Williams. Producer Duncan Minshull. First broadcast on BBC Radio 4 in May 2019.
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