sarah henshaw, an entomologist, a bug life, an organization dedicated to the protection of insects. but this desolate ex industrial or brownfield site is not exactly what i was expecting. hello, you must be sarah. hi, barry here through. i'm very high. welcome to can you just see those guys that is one of the most bye diverse wildlife rich sites in britain. so you want to take a look. i really with one of those places to be the site used to pay an oil refinery. you can see remnants of industry all around us has been abandoned for more than 40 years. and why is an old oil refinery? an ideal spot for protecting bugs? it hasn't been managed, has been there. pesticides, providing actual habitats that have been lost in the wider landscape. wildlife is using this as a refuge rarely for ah, what's as it looks like helicopter should be landing any minute now. has it a large tarmac base? there's about 30 of them across the site. they would have how the large oil storage tank is, but as you can see, nature is calling back and how many species of insects are there on the same with over 2500 dif