The Grand Canyon, with its mile-high, multicolored rock walls, craggy cliffs, and sandy slopes, is the embodiment of nature’s awesome power and surpassing beauty. Carved out by the Colorado River, the Grand Canyon (nearly 1,500 m deep) is the most spectacular gorge in the world. Located in the state of Arizona, it cuts across the Grand Canyon National Park. Its horizontal strata retrace the geological history of the past two billion years. There are also prehistoric traces of human adaptation to a particularly harsh environment.
On the following video you can watch and listen to some information about the history of the Grand Canyon.
Vamos a practicar con el siguiente ejercicio.
Exercise:
We have had the opportunity of watching, listening and learning a lot of things about the Grand Canyon; therefore you will have no problems to complete the following sentences.
a) Native American Indians saw the Grand Canyon as a …………………………………………….
b) For the pioneers, the Grand Canyon was the …………………………………………………………
c) The layers of sedimentary rocks were formed by de difference in day and night ………………………………………….
d) The area was inhabited by Native American Indians until the …………………….century.