““I really love period drama, period research. We did a lot of research into what was actually there, in the Crimea, and quite a bit of reference material does exist – mostly illustrations, obviously, rather than photographs.
“For example, we were looking at what style of roofing truss was around in that time, what materials they would have used… At the time, they would have built it with any timber they could find, so there are empty ammo crates, anything that was lying around…