本帖最後由 eaglelu 於 2013-8-13 10:31 AM 編輯
August 8, 2013—Rented goats are clearing unwanted vines and brush from the perimeter of Congressional Cemetery in Washington, DC. The goats are an eco-friendly substitute for herbicides and help protect the nearby Anacostia River from chemical runoff.
Check out the news video:
http://video.nationalgeographic.com/video/news/animals-news/congressional-goats-vin/ |