A black fungus grows on a white picket fence in south Louisville, Ky. near a bourbon aging warehouse owned by Diageo. The company has been told by city officials in Louisville to control its warehouse vapors, which promote the growth of the black substance.
Dylan Lovan photo
Chester Holloway points to a black, sooty substance on the awning in front of his Louisville, Ky. home on Wednesday, Sept. 12, 2012. Holloway lives across the street from a bourbon warehouse that city officials say must control the vapors coming from its bourbon barrels. They say the vapors promote the growth of the black fungus.