I assumed that everyone knew about the Toronto PATH system but I guess that I was wrong. The underground tunnel system in Toronto actually predates the one in Montreal. The first underground tunnel was built in 1900 when the T Eaton Co. joined its main store at 178 Yonge St. and its bargain annex. By 1917 there were five tunnels in the downtown core. When the Union railway station opened in 1927, another tunnel was built to connect it to the Royal York Hotel (currently the Fairmont Royal York). The present growth started in the 1970s when a tunnel was constructed to join the Richmond-Adelaide and Sheraton Centres. Today there are 28 km. (17 miles) of tunnels with 372 thousand sq. metres or 4 million sq. feet of retail space. The PATH system connects 50 building complexes, 20 parking garages, 5 subway stations, 2 department stores, 6 major hotels and the transit hub including commuter trains, long distance trains, streetcars and the subway line as well as connections to the major entertainment and tourist attractions. Most of the newer portions are airy, bright and spacious.