HOA KỲ : NHỮNG VÙNG HOANG DÃ
Wilderness forever: 50 Years of Protecting America’s Wild Places.” A new photo exhibit by the Smithsonian National Museum of Natural History This exhibit celebrates the success of the Wilderness Act that was adopted in 1964 and, to this date, has defended 109 million acres of American wilderness. Over 5,000 submissions were made, and only a…