'In New Zealand, many braided rivers remain in a relatively unmodified condition, but increasing demands for hydro-electricity generation, irrigation, gravel extraction and flood protection works are placing pressure on these systems'. Extract from 'Braided river ecology: A literature review of physical habitats and aquatic invertebrate communities'. Duncan Gray and Jon S. Harding, 2007)

This panorama was taken over the Tasman River, in New Zealand. Ahead is Lake Pukaki which is largely fed by glacial flows providing a distinctive blue/aqua colour to the water. This is created by glacial flour which has extremely finely ground rock particles from the glaciers.