CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY
Close-up of a candle flame. View of the flame of a burning candle. A candle consists of a vertical cylinder of wax, such as tallow or paraffin wax, with a central fibrous wick. The wick is treated with a substance such as alum so that it carbonises but does not rapidly burn out.
Model release not required. Property release not required.