Technical stuff: Fujix100s 23mm f2, 1/9sec. 3200 iso. Lightroom et Perfect Effect 9 filtre Ilford HP5.
Technical stuff: Olympus omdem5, 25mm f1.8, 1/25sec, 800 ISO, niksoftware PanX filter.
When it's really cold, the subway to the rescue.
Technical stuff: Fuji X100s, 23mm lens, f2, 1/100sec., 2500 ISO, Lightroom and Nik Silver efex pro 2, with high structure, high contrast and PlusX filtering post-processing.