Opening autumn last year, The Bear Grylls Adventure already feels like a forgotten Merlin attraction in some sense. No real fanfare when the attraction opened, and still no advertising, it's a weird scenario. Apparently a big advertising push is coming this spring though, so maybe that will help get the word out there a bit more.   What is it? This is one of the hardest questions to answer, but I'll try. BGA is split into several different activities, and you can pay to do basical