Grunerstraße 20
10179 Berlin
Observed since 2019-08-01.
Four basement levels, a crane shadow, and a great deal of Alexanderplatz.
Record: Source. On-site photo from 2 June 2026 documents the current construction state; ENTWICKLUNGSSTADT 2026: Alexandertower/Monarch Tower at Grunerstraße 20 has been stalled for years at basement/slab level; PORR lists specialist civil works from 08.2019 to 09.2021.