![Two men walk along an embankment in an air temperature of about minus 30 degrees Celsius (minus 22 degrees Fahrenheit) in Russia's Siberian city of Krasnoyarsk December 18, 2012. A severe cold Two men walk along an embankment in an air temperature of about minus 30 degrees Celsius (minus 22 degrees Fahrenheit) in Russia's Siberian city of Krasnoyarsk December 18, 2012. A severe cold](https://c8.alamy.com/comp/2CWJG08/two-men-walk-along-an-embankment-in-an-air-temperature-of-about-minus-30-degrees-celsius-minus-22-degrees-fahrenheit-in-russias-siberian-city-of-krasnoyarsk-december-18-2012-a-severe-cold-spell-has-brought-temperatures-around-10-20-degrees-celsius-50-68-degrees-fahrenheit-lower-than-average-across-siberia-according-to-media-reports-reutersilya-naymushin-russia-tags-environment-2CWJG08.jpg)
Two men walk along an embankment in an air temperature of about minus 30 degrees Celsius (minus 22 degrees Fahrenheit) in Russia's Siberian city of Krasnoyarsk December 18, 2012. A severe cold
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Ice-covered trucks are blanketed in smoke after a warehouse fire in Chicago January 23, 2013. Fire department officials said it is the biggest fire the department has had to battle in years
![A woman walks past the Orthodox Svyato-Nikolsky church, which also serves as a memorial for victims of political reprisals, in an air temperature of about minus 30 degrees Celsius (minus 22 degrees A woman walks past the Orthodox Svyato-Nikolsky church, which also serves as a memorial for victims of political reprisals, in an air temperature of about minus 30 degrees Celsius (minus 22 degrees](https://c8.alamy.com/comp/2CXX5Y8/a-woman-walks-past-the-orthodox-svyato-nikolsky-church-which-also-serves-as-a-memorial-for-victims-of-political-reprisals-in-an-air-temperature-of-about-minus-30-degrees-celsius-minus-22-degrees-fahrenheit-in-russias-siberian-city-of-krasnoyarsk-december-18-2012-a-severe-cold-spell-has-brought-temperatures-around-10-20-degrees-celsius-50-68-degrees-fahrenheit-lower-than-average-across-siberia-according-to-media-reports-reutersilya-naymushin-russia-tags-environment-religion-civil-unrest-2CXX5Y8.jpg)
A woman walks past the Orthodox Svyato-Nikolsky church, which also serves as a memorial for victims of political reprisals, in an air temperature of about minus 30 degrees Celsius (minus 22 degrees
![58 degrees Fahrenheit or -50 Celsius number lettering on icy glass covered with ice and frost. The concept of extreme cold weather Stock Photo - Alamy 58 degrees Fahrenheit or -50 Celsius number lettering on icy glass covered with ice and frost. The concept of extreme cold weather Stock Photo - Alamy](https://c8.alamy.com/comp/2GM3EJJ/58-degrees-fahrenheit-or-50-celsius-number-lettering-on-icy-glass-covered-with-ice-and-frost-the-concept-of-extreme-cold-weather-2GM3EJJ.jpg)
58 degrees Fahrenheit or -50 Celsius number lettering on icy glass covered with ice and frost. The concept of extreme cold weather Stock Photo - Alamy
![Thermometer in Hand. Ambient Temperature Minus 27 Degrees Celsius Stock Image - Image of danger, fahrenheit: 247816395 Thermometer in Hand. Ambient Temperature Minus 27 Degrees Celsius Stock Image - Image of danger, fahrenheit: 247816395](https://thumbs.dreamstime.com/z/snow-thermometer-white-celsius-fahrenheit-scale-hand-ambient-temperature-minus-xx-degrees-247816395.jpg)