Fire?

IMG_8335.CR2: 30D, EF 70-200mm 1:4L IS @ 70mm, 1/60, f/8, 100 ISO

IMG_8335.CR2: 30D, EF 70-200mm 1:4L IS @ 70mm, 1/60, f/8, 100 ISO

No, the neighbourhood is not on fire. It’s just really cold. If memory serves, it was −29° (−20°F) when this photo was taken at 8:00 a.m. on Thursday. The moisture in furnace exhaust condenses out when cooled to this temperature. Boost the temperature to −10° and the furnace exhaust would be entirely invisible.

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