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    Probably you have seen photos of the Grand Canyon. But you must go there1to feel its size and beauty. The Grand Canyon is one of the greatest 2 wonders of the world.

    The Colorado River made the Grand Canyon over3years. Slowly, the river cut down4hard rocks. At the same time, the land was5. Today the canyon is very deep. It's also very6, about 20 kilometers. And7its height, there are different kinds of plants and animals on both sides of the canyon.

    The canyon looks different at different times of the day, and8different seasons and weather. At sunrise the red, gold, brown and orange colours of the rocks are9clear and bright. Whether you see the Grand Canyon from the top or the bottom, it will be a(n)10that you will never forget.