These two links are from The Guardian, 24 October 2016.
John Vidal takes to the skies with US photographer J Henry Fair on an aerial toxic tour of south Wales – https://www.theguardian.com/environment/2016/oct/24/industrial-scars-landscapes-of-south-wales-toxic-j-henry-fair
Industrial scars: The environmental cost of consumption in pictures – https://www.theguardian.com/environment/gallery/2016/oct/24/industrial-scars-the-environmental-cost-of-consumption-in-pictures
There is nothing new under the sun (if you can see the sun).
![The Hafod and Middle Bank Works, c. 1840. Note the ships far up the river](http://whiterocktrails.org/wp-content/uploads/2016/10/The-Hafod-and-Middle-Bank-Works-c.-1840.-Note-the-ships-far-up-the-river-1024x589.jpg)
The Hafod and Middle Bank Works, c. 1840. Note the ships far up the river
![Lower Swansea Valley with the wind blowing unusually from the east](http://whiterocktrails.org/wp-content/uploads/2016/10/Lower-Swansea-Valley-smoke-Swansea-Pictorial-History-1024x876.jpg)
Lower Swansea Valley with the wind blowing unusually from the east