Bar Code: You can dive in, but don't dive out

We dive into The Foreign Exchange or, more familiarly, Forex, in the middle of a late-afternoon heatwave - inasmuch as one can dive into an establishment that's at the top of a steepish flight of stairs. It must be a pretty risky business getting back to the street at the end of an evening.The sign outside this comfortably scruffy bar declares it is home to "those who work hard, play hard and dare to explore the world".