Formerly 68 towers
 The Heath Tower, built around 1281, listened to with the old gate the
 only surviving towers, formerly 21 in downtown. By the
 47 Towers of the suburbs it was 1820 16 suburban towers, today are
 It only 6, 1689 the French razed a large part of the old
 Town fortifications. At the beginning of the 18th century, it improved only the
 Walls and gates out, most towers were ruins.<br><br>In the twenties and thirties years of the 19th century sold
 the City Council, to supplement the narrow city coffers, whole wall
 share towers, kennel, and ditches. So stayed only a very modest
 Rest until the preserved today.