If you mean canyon, such as the Grand Canyon, they are made by erosion. Water flowing through them cuts into the earth and washes it away.
Used to be all in Japan but most in Taiwan now.
The population of Canons Ashby is 50.
Canons of Dort was created in 1619.
water or iron, they made iron canons for the revolutenery war
Canons High School was created in 1952.
Canons Regular of the Immaculate Conception was created in 1870.
Canons Regular of the New Jerusalem was created in 2002.
Canons Park tube station was created in 1932.
You must be asking about the "five canons of rhetoric" and mistake it as the canons of literature, most do though. However, the five canons are: 1- Inventio- Invention 2- Dispositio- Arranging 3- Elocutio- Style 4- Memoria- Memory 5- Actio- Delivery We can see that these five canons can be used in every part of Literature.
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Canons Regular of the Order of the Holy Cross was created in 1210.
Canons Regular of the Holy Cross of Coimbra was created in 1131.