The odor also attracts arthropods which may later invade other areas of a building. Bat guano may provide a growth medium for microorganisms, some of which are pathogenic (histoplasmosis, for example) to humans. Guano accumulations may fill spaces between walls, floors, and ceilings. It may create a safety hazard on floors, steps, and ladders, and may even collapse ceilings.
In Washington DC, it's a fairly common. There, it's usually called Crispy Shredded Beef or Crispy Fried Shredded Beef. The beef is really crunchy (if done right) and thin like match-sticks. The dish usually has shredded celery, carrots, and scallions in it. The sauce is somewhat sweet, but it has a little bite to it.
Monday, May 30, 2016. Hot & Spicy Roast Beef Sandwiches. Deli roast beef is simmered in spicy beef broth and served on crusty toasted bread, topped with ooey gooey cheese and peppers to create our favorite hot and spicy roast beef sandwich recipe in under 30 minutes! My mouth is watering just looking at the photo of our sandwich creation.