The image on this tape is much clearer – you can make out the woman, and recognise the voice from the previous tape.

???: “Hi. Dr Hemsley here, and today we’ll be talking about the chain of events that led to the construction of this facility being possible. In 1972, palaeontologists in Wales discovered an object that was, by all accounts, completely impossible. It was a perfectly geometric obelisk – a stele – made of a material so durable it broke diamond drills without even getting scratched, and inscribed with glyphs unlike the writing systems of any known culture. Already pretty remarkable, but the Impossible Stele was found completely embedded in rocks and among fossils from the Cambrian period – more than four hundred million years ago. This is what made it the ‘Impossible Stele’, at least at first…”

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