This clip is from the BBC series, Bitesize Primary, Art and Design 1, Sculpture on BBC2. Please note, this film contains an artist visit to a slate quarry and working with sharp materials.
These cavities sculpted by water and time at the confluence of the Blyde and Treur rivers are a wonder of nature with the wow factor. Bourke's Luck Potholes, located at the heart of Blyde River ...