‘Eco-goats’ help clean up historic US site

Herd clears vines and ivy at congressional cemetery in Washington without polluting nearby river.

A herd of goats has been used as an environmentally friendly way to help with a clean-up at a historic site in Washington DC.
 
The goats were let loose around the US Congressional Cemetery to get rid of vines and ivy suffocating surrounding trees without polluting the nearby Anacostia River.
 
Al Jazeera’s Shihab Rattansi reports from Washington.

Source: Al Jazeera