Tame the water or let it flow? New Zealand grapples with how to protect its braided rivers

Intervention for farming and flood risk change the unique systems as communities grapple with how to live alongside the vital waterwaysWhen British settlers started building Christchurch city 170 years ago, they largely ignored the nearby Waimakariri River, which twists from the South Islands alps towards the eastern shore.But rain and glacial shifts compelled the braided river - a globally rare form of river with many woven channels - to take on a new shape, occasionally flooding land and depos...