![When it rains, the solar mirrors move into a self-cleaning position and on cloudy days, the mirrors turn downwards in a stow-like position. (Image source: SandiaLabs/Flickr)](/images/solarmirror-sandialabs-flickr.jpg)
When it rains, the solar mirrors move into a self-cleaning position and on cloudy days, the mirrors turn downwards in a stow-like position. (Image source: SandiaLabs/Flickr)
Telecom company MTN has installed a concentrating solar cooling system to cool down data centres at its head office in Johannesburg, South Africa