Sentence examples for wall of from inspiring English sources

The phrase "wall of" is grammatically correct and can be used in written English
It is commonly used to describe a physical or figurative barrier or obstruction made of walls. For example: - The soldiers erected a wall of sandbags to protect themselves from enemy fire. - My bedroom is painted in a beautiful blue color, and I have a gallery wall of photos hanging above my bed. - The company's profits have been decreasing due to the wall of competition from rival businesses. - The castle's towering walls created an impenetrable wall of defense against invaders.