History and mystery

To Gilmerton Cove with EdiSteve, which has recently become one of the most popular tourist attractions in the Lothians. It's a series of chambers under a house in the village of Gilmerton, hollowed out by man. The man who claimed to have created the labyrinthine space was George Paterson, a 19th-century blacksmith, who used them as an illegal drinking den. But it's believed he was a big old liar, as one man couldn't have managed such a massive task.

But who created them isn't known. Covenanters? Masons? The Hellfire Club? Witches? Hmmm.

Here's Lindsey, one of the excellent guides, talking us through the theories.

Oh, and there's a spectral cat ...