Grand Canyon National Park, USA.

The Grand Canyon is located in the northwest of the Colorado Plateau. It was formed after millions of years of cutting by the Colorado River. The canyon is distributed with rock formations from various geological eras. The layers are clear and contain representative biological fossils from different eras, providing a comprehensive understanding of the earth's geology. historical record. The Grand Canyon has a temperate continental climate, with cold winters and hot summers, and large temperature differences. The Colorado River runs through the entire Grand Canyon. The climate and landscape on both sides of the canyon and in the valley are quite different, which has given birth to rich biodiversity. Currently, about There are 447 species of birds, 91 species of mammals, 48 ​​species of reptiles, 10 species of amphibians, and more than 1,700 species of plants. The local area also has mineral resources such as copper, silver, and uranium. The Grand Canyon area was originally inhabited by Native Americans who established settlements within the canyon walls. The Pueblo people who first settled, followed by the Paiute, Navajo, Zuni and Hopi people all once lived in the Grand Canyon. In 1540, the Spaniard Garcia Lopez de Cardenas first discovered the Grand Canyon. In 1906, the Grand Canyon Wildlife Refuge was established under the promotion of then US President Theodore Roosevelt. In 1919, the most spectacular section of the Grand Canyon and its surrounding areas were designated as a national park. The national park is a popular destination for hikers, sightseers and nature lovers. In 1980, the Colorado Grand Canyon was listed as a World Natural Heritage.