We remember the people who lost their lives in the Christchurch earthquake. Learn more and share your memories and thoughts.
Didi Zhang, 23, was last seen leaving for class at the King's Education language school in the CTV building on February 22, 2011.
The day after the earthquake, a text was sent to Didi, who was from China, by a friend. the message read: "Are you OK Didi? I am worried about you. I saw your school on the news. We are all OK..."
No reply was received.
Didi was formally identified by police as one of the victims of the earthquake in June 2011.
