A video of an interview with Mark Yetton, Engineering Geologist at the Port Hills Geotech Group, about their work to assess the risk of rock fall and cliff collapse on the Christchurch Port Hills.
Two workers inspect fuses placed in an embankment during reinforcement work. The photographer comments, "This is the reinforcing of an embankment in the port of Lyttelton, which partly collapsed in the Christchurch earthquakes. They are using the same equipment as used for blowing up rock faces to mend them".