... city as viewed from the Ridge. It is surrounded by a lofty crenelated wall, strengthened with detached martello towers, and with eleven bastions, each mounting nine guns, the work of our own engineers, but in admirable architectural keeping with the towers. Conspicuous, on a high table rock rising almost perpendicularly in the heart of the city, is the Jumma ... — In Times of Peril • G. A. Henty