earth
A giant, colorful canyon is so wide and deep you could hike inside it for days and days.
Flowing water slowly wore away the rock to carve out a huge canyon like this, grinding away tiny bits of stone bit by bit as a river rushed over it for an incredibly long stretch of time. Over millions of years, that slow, steady erosion cut deeper and deeper, eventually creating a canyon wide and deep enough to hike through for days.
Giant machines and meteors are not how real canyons form, since no machine has ever dug a landscape feature this size, and a meteor strike would leave a round crater rather than a long, winding canyon shaped like a river's path.
The rock layers exposed on a canyon's walls act almost like a history book, with each colorful stripe showing a different chapter of Earth's past laid down over huge stretches of time.
earth
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