There certainly must have been more known about the great City of Kazan in 1976 than we would be lead to believe.
Photo Regulations are fascinating. Are you permitted to remember what you saw? I recently found this book in Louisville, Kentucky and I admit, it leaves me a tad nostalgic for totalitarianism. Kazan was sealed in a time-capsule for so long. It's changed so much in such a short amount of time.