Even in a city as renowned for its ancient buildings as Edinburgh, everything is not always what it seems.
While there is an abundance of historic architecture in the capital, there are one or two structures that have been trying to pull the wool over their eyes - one such building is Adam House at 5 and 6 Chambers Street.
The lecture theatre, which has been used as as venue for the Edinburgh Fringe on numerous occasions, doesn't look out of place amongst the many other fine buildings on the street.