Bizarre patterns appear in Welsh hills leaving people baffled
![Bizarre patterns appear in Welsh hills leaving people baffled](https://i2-prod.walesonline.co.uk/news/uk-news/article29579324.ece/ALTERNATES/s615/1_afrdpw1990724hiraethogpatterns.jpg)
The mysterious markings, which resemble abstract symbolism and are cut into on the Hiraethog moors on the Conwy-Denbighshire border, are only really visible from the air
The mysterious markings, which resemble abstract symbolism and are cut into on the Hiraethog moors on the Conwy-Denbighshire border, are only really visible from the air