At An den Klostergärten/Malteserstraße 170/172 o2 has built its three sectors antennas of the site on top of this futuristic-looking building. The site was finished rebuilding with new B3-enabled panels in June 2019.
Seen from the south at An den Klostergärten:
View from the east at An den Klostergärten:
Seen from the west at Malteserstraße:
The old panels before June 2019: