Chris Barton talks to engineering experts about the lessons learned during the levelling of Christchurch's collapsed CBD and what this means for the future of building design.

An $8m memorial to the Christchurch earthquake's victims is in a draft plan backed by the city's Council.

62 parties have expressed interest in making submissions to the inquiry into why so many buildings were destroyed by the Canterbury earthquakes.

Demolition companies working in the centre of Christchurch have dismissed suggestions crews should be working seven days a week.

The jobs of almost 380 Ballantynes staff appear more secure following the news the Christchurch branch may be able to reopen later this year.

Joan Dorothy Weild, 76, died when the facade of 603 Colombo Street collapsed during the earthquake.

Adrienne Isobel Lindsay, 54, was from Christchurch.

Beverley May Stick, 71, died with her husband of 51 years as the pair travelled by bus into central Christchurch.

Earl Nicholas Stick, 78, died with his wife of 51 years as they travelled by bus into central Christchurch.

Jennifer Ann Donaldson, 55, died after a building frontage in Colombo Street fell on her during the earthquake.

Linda Isobel Arnold, 57, was driving along Colombo Street when the earthquake struck.

Graham Weild, 77, died when the facade of 603 Colombo Street collapsed during the earthquake.

University of Otago PhD student Didem Yaman was confirmed by police as a victim of the Christchurch earthquake on March 15, 2011.

Sisi Xin, 28, from China, was confirmed as a victim of the earthquake by police on March 10, 2011.

Christopher Patrick Smith, who died in the Christchurch earthquake shortly after dropping his son Dean at school, was remembered at his funeral as an adventurer, a fishing enthusiast and a joker.

Canadian woman Marielle Falardeau was on holiday in Christchurch and was due to fly out the day after the earthquake struck.