Running alongside the back of the Prague Castle complex is a long, rather
featureless street called Jeleni. Those of you who've visited the Castle
will probably know it - the 22 tram trundles along Jeleni street, past the
pleasant greenery of the Royal Gardens and the Belvedere summer house, and
on to a stop called "Prague Castle". But if you stay on the 22,
the tram takes you past a long, grey wall on your left, with bushes
hanging over the side of it. Believe it or not, this wall, and this
stretch of uninspiring road, could become the scene of