Polar vortex: Fire used to melt ice on Chicago train tracks

Flames from gas-fed heaters stop snow and ice from clogging up the track at railway intersections.

from BBC News - World https://bbc.in/2RsdKSK
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Thousands of Parisians evacuated as WW2 bomb detonated

Residents within a 450m radius of the device were told to leave their homes while it was neutralised. from BBC News https://ift.tt/mBNvAhd...