Extreme cold a chilly challenge for railway crews on trains in northern China

I am sure they would appreciate some warming if it ever hit them. Humanity had found a way to beat nature and thrive by using hydrocarbons. Just look at how life was before hydrocarbons. A tiny elite lived a good life and the rest of the population was wretched. Any homeless today are better off than most people were at the time. Actually, today’s Middle Class lives in far more comfortable than Kings and Queens of the pre-industrial times. They had windmills then already – you know?