Isn’t this basically what happened with the London underground? It used to be cold down there now it’s super hot as the soil can’t absorb more heat. Source: ht

Isn’t this basically what happened with the London underground? It used to be cold down there now it’s super hot as the soil can’t absorb more heat. Source: https://www.forbes.com/forbes/welcome/?toURL=https://www.forbes.com/sites/lauriewinkless/2017/06/22/sweating-on-the-underground-why-are-tube-tunnels-so-hot/&refURL=https://www.google.com/&referrer=https://www.google.com/ https://www.forbes.com/forbes/welcome/?toURL=https://www.for... > According to this article in Rail Magazine, the average temperature inside the tunnels was around 14° in 1900. > increased the temperature of the surrounding clay so much that, today, average tunnel temperatures are between 20-25°C.