To the uninitiated, it looks just like just any other Edinburgh tenement door, save for the fact it's padlocked with a curious brass plaque that alludes to something far more unusual.
Until now, very few capital locals were aware of the existence of The Morningside Club, a secret society that's apparently been on the go for decades.
The confidential club occupies the ground floor property at 3 Morningside Park. Frosted windows and an adjoining extension, the frontage of which is masked with ivy, keep everything hush-hush.