This is not an amphitheatre (as stated by theatre:type=amphi). It is a normal greek theatre (maybe theatre:type=open_air ?).

"Bis Rudolf-Rühl-Allee wegen Bauarbeiten für Fußgänger gesperrt"
OSM snapshot date: 2025-10-04T01:14:47Z
POI has no name
POI types: hwtag-lit psurface-paved_good highway-footway-sidewalk
#organicmaps android 2025.10.07-1-Google

Unable to answer "Is this still here?" – Trash Can – node/6171087337 via StreetComplete 60.2:

An der Straßenecke

Unable to answer "How is this power line attached?" – High-Voltage Tower – node/317754049 via StreetComplete 60.2:

Ohne Verknüpfung zu Leitungen