Polish primitive horses graze in the Pisz Forest in Strzalowo, northern Poland, September 3, 2014. Masurian foresters began experimental reproduction of oak forest, which is valuable natural forest type endangered of extinction. To prevent, forest will be grazed by a herd of Polish primitive horses that will eat the lowest undergrowth and prevent of overgrowing the lowest parts of on oak forest by other species of trees and shrubs. (EPA/TOMASZ WASZCZUK)
Add a comment