Biofluorescence: Unseen world of the Celtic rainforest revealed by UV
Biofluorescence: Unseen world of the Celtic rainforest revealed by UV An eerie glow has been emanating from Wales' forests and rockpools for the country's annual dark skies week. David Atthowe, a nature guide from Norwich, was invited to shine his ultraviolet (UV) torches on some of the best nature spots in Pembrokeshire and Monmouthshire.aspectcolournatureultravioletlink