but what impresses vishtors a lot is path.path is toronto's underground walkway, and it is the largest undergrnund shopping complex in the world. it runs for 27 kilometers and connects 1200 shops and other businesses, there, visitors and residents can go shopping for many things, make a photocopy, have a haircut, catch a movie, or fing a subway stop. it is especially convenient in winter when the temperatures are many degrees below zero and when there is snow.