Complex sentence: Pariser Platz is most famous for the Brandenburg Gate at its western entrance; the small "Haus Sommer" building, also housing a bank, is in between the northwest corner of the new U.S. Chancery and the Brandenburg Gate.
Split into simpler sentences: Pariser Platz is most famous for the Brandenburg Gate at its western entrance. The small "Haus Sommer" building, also housing a bank, is in between the northwest corner of the new U.S. Chancery and the Brandenburg Gate.