1) The cave entrance was a wide-yawning opening in the side of the mountain.

2) The hippopotamus displayed its wide-yawning mouth as it yawned lazily in the sun.

3) The canyon stretched out before us, a wide-yawning expanse of rugged terrain.

4) The whale breached the surface, revealing its wide-yawning mouth full of bristle-like baleen plates.

5) The old mansion had a wide-yawning staircase that ascended grandly to the upper levels.

6) The desert landscape was punctuated by wide-yawning chasms that seemed to reach into the depths of the earth.

7) The lion's wide-yawning jaws revealed its sharp teeth as it roared a warning to intruders.

8) The black hole was a wide-yawning abyss of darkness that seemed to devour all light.

9) The tornado left a wide-yawning path of destruction in its wake, flattening everything in its way.

10) The grand cathedral had a wide-yawning entrance that welcomed worshippers with open arms.