Complex sentence: The main street in the City is Lonsdale Avenue, which begins at Lonsdale Quay and goes north to 29th Street where it continues in the District of North Vancouver, ending at Rockland Road.
Split into simpler sentences: The main street in the City is Lonsdale Avenue. This street begins at Lonsdale Quay and goes North to 29th Street where it continues in the District of North Vancouver, ending at Rockland Road.