When is a sinkhole not a sinkhole? David Cunliffe/SUPPLIED Sinkhole or scouring of the land? When is a sinkhole not a sinkhole? On March 12, floodwaters swept across Auckland - causing a section of footpath in front of a west Auckland shopping centre to cave in. These flow paths are a vital component of Auckland's drainage and when they are blocked they can cause floods, Auckland Council's website said.

Source: Stuff March 14, 2017 06:39 UTC