fieldstone cellar mold

https://charlie-wiki.win/index.php/Mold_Inspection_Adams_County:_New_Standards_for_Property_Assessments

The smell hits you first, a damp, earthy mustiness that clings to the rough-hewn fieldstone walls of the old cellar. Thick patches of greenish-black mold creep along the mortar lines, thriving in the constant chill and darkness, a silent testament to centuries of neglect.