http://www.walesonline.co.uk/news/need-to-read/2013/03/28/snowy-landscape-reveals-wales-forgotten-ancient-remains-91466-33079168/
Several amazing photos taken from the air during a big snowstorm in Wales reveal some previously unidentified Neolithic and Bronze Age structures, such as hillforts and burial mounds. The snow helps the contours of the land stand out.
