61.   Near the canal there are a number of derelict buildings.

62.   No one knows whether river dolphins were once more abundant or whether their numbers have always been low because of their restrictive and specialised habitat.

63.   On the technical front, there have been a number of important developments.

64.   Once more, there are a number of different methods of calculating the loss.

65.   Puzzle number two is that other changes in financial Markets were meanwhile making it easier for such principles to apply.

66.   So if you feel six pulses or vibrations it indicates the chosen number is six.

67.   So, although the numbers are small, a pattern emerges.

68.   Such numbers are now much more usual in the western harbours.

69.   That number is enough to operate on a regional basis.