of a customer or two. and while that is good for business, the numbers swelling the main tourist areas inevitably create a huge problem. increased pollution, including discarded junk clogging up the famous waterways. but now some of the gondoliers who ply their trade in the 276 canals are doing something about it. they hope to solve at least some of the problem with a voluntary initiative to perform regular underwater canal clean ups. what gave you the idea to start cleaning the canals? about three years ago we were working on the gondoliers,