Bigstory. ap.org. / 7/6/13, Scott Mayorwitz
In this Wednesday, June 19, 2013,photo, a goat grazes on a patch of San Francisco International Airport land in San Francisco.. San Francisco airport is using 400 goats to clear from an area of the airport prone to fire. (AP Photo/Jeff Chiu)
Last month, officials at San Francisco International Airport hired a herd of part-time employees to toil on the west side of the property and engage in an unusual — but environmentally friendly — form of fire prevention.
Anyone looking down from a plane departing the airport may have wondered, What's with the goats?