The Lights on Fleet Street

I'd love for the atmosphere of Fleet Street to be shrouded in gas light. Slightly tonally shifted from natural lighting, gas lighting should coat each person with a sickly pallor. Below are three images, the most iconic stolen from the Excorcist, which captured a similarly eery tone on film.

You can read about gas lighting in theater here: http://www.compulite.com/stagelight/html/history-4/history-4-text.html