Thursday, July 19, 2018
Hidden landscapes the heatwave is revealing
As the summer sun continues to beat down on the British Isles, ghosts are appearing in the yellowing fields.
Normally kept hidden by lush grasses and crops, old and prehistoric features are making themselves known through imprints on fields and lawns, some for the first time in known memory.
It's hard to see these features from the ground - but with the rise of drones for aerial photography, they can be captured where they may have remained unidentified in previous heatwaves.
The marks are revealed when grass or crops on top of wood or stone still in the ground flourish or deteriorate at different rates to surrounding material in the unusually hot weather.
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