My townhome is actually an old WW2 military hospital that got gutted in the 90's and turned into townhomes. I can hardly hear anything from outside since it was

My townhome is actually an old WW2 military hospital that got gutted in the 90's and turned into townhomes. I can hardly hear anything from outside since it was apparently built to survive bombing, but the walls between units allow a ton of sound through.