The canals are an impressive series of water channels from dams at the ends of the great glacier lakes on the eastern side of the Alps to hydro power plants. NZ gets 50-60% of their electricity from hydro schemes.

Well, now if you’ve got vast quantities of fast flowing pristine cold water, what else is that good for? Enterprising farmers started salmon farms. Now where is the best salmon fishing in the country? Right next to the salmon nets, which occasionally break.