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I particularly enjoyed the last infographic on temperature because it makes me appreciate air conditioning all the more. It says music halls reached 150 degrees and theaters 125 degrees. Can you imagine listening to a concert in that kind of heat?

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I think the left side of the thermometer was the "excitement temperature" of the destination the Underground was taking you to. Fishing and museums were both sub-freezing, since they aren't high-excitement activities.

150 degrees Fahrenheit (65 C) would exceed the highest surface temperature ever recorded on Earth -- by a wide margin. I can't find a good reference at the moment, but I think 150F would be immediately fatal.

I think the infographic is humorously saying that you can find whatever level of excitement you want by taking the underground. Fishing is a boring 5 degrees, football gets you to body temperature, and music halls are a scorching 150.

Definitely not fatal. According to Wikipedia[1], the temperature in a sauna is "typically between 70 °C (158 °F) and 100 °C (212 °F)".

[1] http://en.wikipedia.org/wiki/Sauna

The high end of that scale is a little low. My sauna is regularly at about 105°C (221°F), and 110/230 is the starting temperature in the World Sauna Championsips.

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