Construction workers stand in front of the Lyttelton portal of the rail tunnel in early 1867. Building the 2.6-kilometre tunnel with hand tools and challenging underground conditions was a difficult task. It took over six years of work before the tunnel was formally opened in December 1867.
Te whakamahi i tēnei tūemi
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.