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Grand Canyon
Located in North America is the Grand Canyon, extending 400 kilometres through the Colorado Plateau in northwest Arizona. The canyon is 6 to 30 kilometres wide and 1.6 kilometres deep. The canyon is an erosion formed by water, ice and wind and is considered one of the 7 wonders of the world. The layers of sedimentary rock were formed over millions of years ago and provide significant insight into the earth’s geologic timescale.