More renderings of the observation deck on Boston Business Journal: https://www.bizjournals.com/boston/news/2022/10/05/pru-details-plans-for-reopening-observation-deck.html
I lived in Houston for 4 years, and this project has been delayed and postponed for years, can't remember how long it's been but I'd venture to guess since the early 2010s. Quite a frustrating proposal, at the very least Boston can say their project is well under construction, even if it isn't...