Berlin Wall Pieces is a memorial and museum display at 210 Cashel Street in central Christchurch, rated 4.6 on Google from 22 reviews. It has two original sections of the Berlin Wall, with interpretive boards about the wall's history, and visitors mention that local artists paint on them.
Outdoor memorials and museum displays work best when visitors read the boards first, so the history makes sense before they look at the object. Some displays are painted or changed by local artists, which keeps them lively but can alter how the original looks. Early mornings or quieter weekdays are usually easier for reading the boards and taking photographs.
For visitors to central Christchurch who want to see a piece of Berlin's history close to home, this Cashel Street display is worth a look.