The top image is the calm before the storm as it was snapped just before the main part of the demolition commenced.
The Heatherbell Bar was still open for business in January 1972 but by 1974 all these shops and tenements had disappeared.
The middle shot is further along the street where you can see an old building being demolished behind the modern block. If you go back to the top photo, it's still standing.
Photo 3 is looking back along Ann Street in the other direction with Ellen Street corner behind the JCB that has just reversed into a shop!
Photos from Gordon C.