Came across this huge thing when I was working yesterday, I managed to take a picture (it appeared to be camera shy!). Don't suspect it'll be dangerous at all just curious. There was a family of them behind the Gas meter of all different sizes. The picture is huge so I've posted a link.
Thanks
http://www.tdh1987.co.uk/DSC00321.JPG
Zoom in.
Thanks
http://www.tdh1987.co.uk/DSC00321.JPG
Zoom in.