Water in New Zealand and are of varying types and origins. Many of the lakes in the central North Island area are volcanic crater lakes, while the majority of the lakes near the Southern Alps were carved by glaciers. Hydroelectric reservoirs are common in South Canterbury, Central Otago and along the Waikato River. Over 180,000 kilometres of rivers has been mapped in New Zealand, the longest being the Waikato River with a length of 425 kilometres and the largest river by volume is the Clutha River with a mean discharge of 533 cubic metres per second. New Zealand has many notable waterfalls, some of
This is New Zealand This is New Zealand This is New Zealand is a documentary film showcasing New Zealand scenery that was produced by the New Zealand National Film Unit for screening at the World Expo in Osaka in 1970. The film combined scenic images including aerial cinematography with rousing classical music such as Sibelius' "Karelia Suite". Using then ground-breaking technology, the film required three separate but synchronised 35mm film projectors which projected their images onto an extra-wide screen. In 2004/2005 Archives New Zealand commissioned a restoration at post production facility, Park Road Post. Hugh Macdonald, the original director, was involved in the restoration