The 1960s brutalist office block still divides opinion but now it is being knocked down.
The church is being described as one of the "grandest and most significant" in the city.
A proposed revamp of Norwich's Carrow Works could bring medieval ruins back into the spotlight.
People worry the access point from a busy roundabout could add to traffic issues.
Passers-by stop to take pictures as the demolition of Norwich's Anglia Square enters a new phase.
The cause was given as an electrical fault after a cannabis factory was found, investigators say.
They are thought to be linked to a medieval church that used to be on the site.
It used to be the home of Colman's Mustard and later Britvic - but it is now set to become housing.
Developers say the one-bed apartments will be aimed at young professionals.
