Complex sentence: Britomart Transport Centre is the Auckland, New Zealand, CBD transport hub, combining a bus interchange and railway station in an Edwardian former post office building with an expansive post-modernist architectural melange, and the main ferry terminal just across Quay Street.
Split into simpler sentences: Britomart Transport Centre is the Auckland, New Zealand, CBD transport hub. It combines a bus interchange and railway station in an Edwardian former post office (extended with expansive post-modernist architectural elements), with the main ferry terminal being just across Quay Street.