For Apple fans, go here, since this is where the main (and only in the city) Apple hardware store is located. Chic in assortment, spacious, modern. The Kö-Bogen Gallery is generally an architecturally bold solution, which attracts the attention of tourists. Near the gallery there is a beautiful park area with ponds, where you can endlessly admire swans and ducks, enjoy the beauty of the water and the reflection of a non-standard shopping center. The place is very pleasant, but the prices there are a bit "biting". So, for mass shopping, it probably won't work.