Quick Answer. A house eave is the edge of the roof. In many instances, this edge extends beyond the house, which is what many people refer to as the eave. An eave has two parts: the fascia and the soffit. The fascia is the part that runs along the house and covers up the rafters.
The Sydney Harbour Bridge is a large steel arch bridge connecting the city center with the residential areas in the north. Thanks to its sheer size and beautiful location the bridge has become one of Australia's most famous landmarks.
The pylons are about 90 metres above the average water level. The Sydney Harbour Bridge design had to perform functionally and be pleasing to the eye as well. The pylons are made of concrete that is covered by grey granite from Moruya on the south coast of New South Wales.