How many shops are in the underground shopping centre under the towers of the complex connected by tunnel to another complex in Downtown Montreal through the Atwater metro station?  
Alexis Nihon Complex:  The shopping mall is directly connected to the Atwater metro station, which joins the building by a short tunnel with the adjacent Dawson College, and by a longer one adjoins nearby Westmount Square. Westmount Square:  These towers sit atop an underground shopping centre consisting of thirty-five shops.
i don't know