Members of the New Zealand Urban Search and Rescue (USAR) team using a circular saw to cut through steel at the site of the CTV Building.
A photograph of a badly-damaged building on Colombo Street. The front of the top storey has crumbled, and rubble has fallen onto the footpath below.
A photograph of Umut Akguzel with a collection of concrete stairs salvaged from a building and placed in a car park in the Christchurch central city.
A photograph of a building on the corner of Colombo Street and Oxford Terrace. Many windows are broken and scaffolding has been erected up the side.
A photograph of an earthquake-damaged building, previously the site of Portobello Antiques on Tuam Street. The second storey wall has collapsed leaving the inside exposed.
A member of the New Zealand Defence Force on the site of the CTV Building. In the background diggers are being used to clear the rubble.
Photograph captioned by Fairfax, "Earthquake damage in central Christchurch after a 6.3 earthquake. Multi-story building collapsed in Cambridge Terrace where 36 are still trapped".
The Education Minister is waiting for the Canterbury Earthquake Royal Commission to report back before considering a national survey of all school buildings in the country.
Damage to St John the Baptist Church in Latimer Square. The tower has collapsed, exposing its structure. The building's roof has been weather proofed with plywood.
Damage to St John the Baptist Church in Latimer Square. The tower has collapsed, exposing its structure. The building's roof has been weather proofed with plywood.
A view down New Regent Street. Several of the buildings have had their verandahs propped with steel poles, and scaffolding has been constructed on their facades.
A Civil Defence staff member placing a red sticker on the window of a damaged house. The sticker indicates that the building is unsafe to enter.
The Cranmer Centre on Armagh Street with scaffolding up the side. Large sections of masonry from the building's gables have collapsed onto the lawn in front.
The families of some of those killed by falling rubble in February's Christchurch earthquake are desperate to know why buildings that had been deemed safe collapsed.
Photograph captioned by BeckerFraserPhotos, "Decorative flowers on the Bridge of Rembrance cordon with the Hotel Grand Chancellor and the Westpac building in the distance".
A large crane in front of the Forsyth Barr Building on Armagh Street. In the background, the Victoria Apartments can be seen, with a noticeable lean.
A crane working on a brick building in the Christchurch central city. A sign on the fence reads, "Quake repairs, keep out, for your own safety".
Detail of damage to a building on High Street. The photographer comments, "The support for the veranda has pulled part of the stone wall completely away".
A photograph of the Copthorne Hotel and Winnie Bagoes on Colombo Street taken from Victoria Square. In the background, the PricewaterhouseCoopers building can be seen.
A photograph of the front door of Cecil House on Manchester Street. A red sticker on the door indicates that the building is unsafe to enter.
A photograph of the ceiling of the City Council Civic Offices on Manchester Street. The room has been exposed by the partial demolition of the building.
A photograph of the front door of 7 Rees Street. A yellow sticker taped to the door indicates that the access to the building is restricted.
A photograph of a red sticker on the wire fencing outside a house on Papanui Street. The sticker indicates that the building is unsafe to enter.
A photograph of emergency management personnel inspecting a room inside an earthquake-damaged building. In the centre of the room a chimney and fireplace have collapsed.
The SBS Building on the corner of Worcester and Manchester Street. To the right is 178 Manchester Street which collapsed during the 22 February 2011 earthquake.
Man on a bicycle in front of the security cordon on Dundas Street. Diggers and rubble from the Smiths City car parking building in the background.
A photograph of the partially-demolished City Council Civic Offices on Manchester Street. The rooms inside have been exposed by the partial demolition of the building.
A colourful tarpaulin is draped over a hole in the Lyttelton Museum on Norwich Quay. The building was constructed in 1911 to house the Seamen's Institute.
Detail of damage to a building on High Street. The photographer comments, "The support for the veranda has pulled part of the stone wall completely away".
A photograph of earthquake damage to Croydon House Bed and Breakfast Hotel on Armagh Street. USAR codes have been spray painted on the fence and building.