 Complete the following phrase:  Earthquakes have repeatedly damaged the building mostly the spire: in 1881, 1888, 1901, 1922, and 2010. The February 2011 Christchurch earthquake destroyed the spire and the upper portion of the tower, and severely damaged the rest of the building. A lower portion of the tower was demolished immediately following the 2011 earthquake to facilitate search and rescue operations. The remainder of the tower was demolished in March 2012. The badly damaged west wall, which contained the rose window, partially collapsed in the 