Grand Canyon (Grand Canyon) is a land of rock cliffs and ravines. The cliffs are up to 1600 meters high and canyons of the Grand Canyon is 450 kilometers wide as 29 kilometers and 1.5 kilometers deeper than the bottom of the Grand Canyon, the Colorado River flows through. At present, there are nearly 2 billion years old rocks Grand Canyon in Arizona, USA. The discovery was Major John Wesley Powell and his team since 1869, the Grand Canyon is. Miracle The major natural Users of the world Is set to become one The conservation area The world's geographically Marseille Grand Canyon, formed by the Colorado River. Runs from north to south into the lake, "knife" a distance of about 200 miles of Grand Canyon National Park is set to become the US Moreover, in the crevices. Most of the valley Also discovers traces of ancient civilization of Indian red, which also has a traditional living descendant. Some are still working and some are retired. Which has lived in this valley for nearly 9,000 years, the Grand Canyon, to this day, every year there will be someone to watch the magic. Grand Canyon more than two million people.