A short, dark-haired guy wearing a multi-pocketed canvas vest over a tee shirt and cargo pants, the pockets full of 35mm film canisters for the analogue camera hanging on a strap about his neck might be walking at some near distance, snapping fast film of her from under an escalator. He'll pause only to pop one roll out of the camera and slot another one into it, before moving in to film her at closer range, narrowing the gap between them, till he's maybe ten feet away, a few random shoppers drifting through the gap...