What is Canyon?
[[File:Tozeur Tunisia.jpg|thumb|Tozeur Tunisia]] A '''canyon''' (or '''gorge''') is a big and deep crack in the ground, or a very deep valley.<ref>[http://education.nationalgeographic.com/education/encyclopedia/canyon/?ar_a=1 Canyon] -National Geographic</ref> Most canyons are made by [[rivers]]. A few are made by [[earthquakes]]. They can be big, like the [[Grand Canyon]], or small. Canyons can be formed by [[erosion]] by running water which will take [[rocks]] and [[soil]] away. ==References== {{reflist}} {{Geography-stub}} [[Category:Canyons| ]]