Pedestrians watch as a house damaged from Saturday's earthquake is demolished in Christchurch September 6, 2010. Aftershocks rocked New Zealand's second-biggest city on Monday causing further damage and forcing authorities to extend a state of emergency after the country's most damaging earthquake in 80 years.
A firefighter watches as a house damaged from Saturday's earthquake is demolished in Christchurch September 6, 2010.
A damaged car is seen after a major earthquake yesterday in Christchurch September 5, 2010.
A resident walks past damaged shops from yesterday's major earthquake in Christchurch September 5, 2010.
Residents start to clean up after a major earthquake yesterday in Christchurch September 5, 2010.
Residents are seen near a damaged road from yesterday's major earthquake in Christchurch September 5, 2010. Strong aftershocks and gale-force winds buffeted a clean-up of New Zealand's second biggest city on Sunday following the country's most damaging earthquake in 80 years.
A council worker surveys the damage to a building in central Christchurch after a 7.1-magnitude earthquake hit the city September 4, 2010.
New Zealand's Prime Minister John Key surveys the damage to buildings in central Christchurch after a
7.1-magnitude earthquake hit the city September 4, 2010.
A council worker surveys the damage to a building in central Christchurch after a 7.1-magnitude earthquake hit the city September 4, 2010.
New Zealand's Prime Minister John Key (R) and city mayor Bob Parker (C) survey the damage to buildings in central Christchurch after a 7.1 magnitude earthquake hit the city September 4, 2010.
Damage from an earthquake is seen in a video frame grab near Christchurch, New Zealand, September 4, 2010.
Locals pose for photos in front of damaged buildings in central Christchurch after a 7.1-magnitude earthquake hit the city September 4, 2010.
A partially damaged road is seen in this video frame grab near Christchurch, New Zealand, September 4, 2010.
A partially wrecked van is seen in this video frame grab near Christchurch, New Zealand, September 4, 2010.
New Zealand's Prime Minister John Key surveys the damage to buildings in central Christchurch after
a 7.1-magnitude earthquake hit the city September 4, 2010.
Workers use a jackhammer to remove dangerous brickwork from a damaged building in Christchurch
A search dog is used to try and find a person reported missing amongst the rubble of a building after Saturday's earthquake
at the corner of St Asaph and Barbadoes Streets in Christchurch
This photograph taken in Christchurch on September 6, 2010s shows Israel (L) and Miriam Garcia standing with their baby Amelia,
who was born as a powerful 7.0 earthquake struck New Zealand
Historic Deans homestead which was destroyed in Christchurch
Pastor Jenni Carter looks at the damaged interior of the St Johns church in Hororata
