国家公园历险记：黄石公园
On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres of wilderness is the only complete mid-latitude ecosystem left on the planet.
- 类型: 纪录
- 工作室:
- 关键词: national park
- 投: Alphonse Keasley
