top | item 28532649 London Underground Cooling 2 points| mpsq | 4 years ago |en.wikipedia.org 1 comment order hn newest ggm|4 years ago The underground has also altered the underlying heat retained in the thermal mass of London clay. Its been over 100 years of pumping heat in, now its radiating back out.
ggm|4 years ago The underground has also altered the underlying heat retained in the thermal mass of London clay. Its been over 100 years of pumping heat in, now its radiating back out.
ggm|4 years ago