Nature and EnvironmentSouth Africa's eco swimming pools To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment06/29/2017June 29, 2017Inspired by Austrian swimming ponds, one architect in Johannesburg is transforming chemically treated swimming pools into oases for local wildlife. Plants and microorganisms keep the water clean enough to drink from.https://p.dw.com/p/2fcw4Advertisement