Fog envelopes the Sydney opera house
BBC News - Thick Sydney fog causes travel disruption
travel delays in sydney due to fog today 28/05/13
The blanket of fog over the Harbour Bridge.
Heavy fog blankets Sydney, slowing traffic and delaying travel | smh.com.au
Quantas and Virgin flights cancelled in Australia
Sydney ferries resume service as fog lifts
Fog shrouds the Sydney Harbour Bridge.