The Bell Towers of Bologna or the Campanile della Cattedrale di San Pietro is open this past Saturday to visitors (it is not usually open to the public). With just a donation of 5 euro we were able to see what the bell tower looks like, how it is being rang, and a view of Bologna.
According to the Bologna Welcome site:
This bell tower is 70 meters high. They have started to build it in 1184 and finished it in 1426. The roofing that covers the old bell tower dates back to the 10th century.
Inside the tower there is a bell called “la nonna”(the grandmother) which, with a weight of 3300kg, can’t be easily rung with the traditional bolognese method of ringing.
The guide showed us how (it was like driving a bicycle using the ropes that held the bells):