On the eve of the first anniversary of the earthquake that left 185 people dead and caused billions of dollars of damage, Prime Minister John Key has said February 22 will go down in history as one of our darkest days. Mr Key will be in Christchurch to attend services being held to remember the victims of the earthquake and commemorate the resilience of the people of Canterbury. We look back at images from the devastating February 22 quake and other events over the past 12 months.