The Secret Door

Behind this unassuming door in this unassuming Portakabin, hidden from view, lies temptation.

It's the factory shop for Burton's Biscuits, where one can purchase bags weighing roughly 2kg from a daily list of products available (and packets of biscuits cheaper than the shops) - today's haul was plain shortbread, mini wagonwheels, Crunchie rings plus four packs of six standard wagonwheels.

Total cost? £6