UK's banned 'hidden green lagoon' where nerve agent bomb stash is just one danger
![UK's banned 'hidden green lagoon' where nerve agent bomb stash is just one danger](https://i2-prod.dailystar.co.uk/incoming/article32799393.ece/ALTERNATES/s615/0_AFRDPW100524GlynRhonwy.jpg)
Wild swimmers continue to ignore health and safety warnings to go for a dip at an old quarry which boasts a 'hidden green lagoon' where nerve gas bombs were once stashed