Perhaps I am going back even further, even to the late 50s, early 60s.?
Yes Hollins I remember the tunnel on one of our frequent visits there.
My Mother and I used to take the train to Manchester, taxi to Kendal Milnes as it was then and spend most of the day in the various departments. We had lunch on the top floor, in the restaurant whilst mannequins walked round between the diners modelling clothes from the various departments. Our meal was usually a roast and then sherry trifle served in scratchy metal dishes which set your teeth on edge !
Those were the days !