The brown clouds covered the entire sky.

There are dark clouds on the title of the book.

Scientists have recently discovered the existence of Kordylewski clouds in space.

Nacreous clouds are a rare type of cloud formation that occur in the winter polar stratosphere.

Roll clouds are a type of cloud formation that appears as a long, horizontal tube or roll.

The sky was filled with twain clouds.

She had a lot of brain clouds after the accident.

I love creating word clouds to visualize data.

The zodiacal clouds are a beautiful sight in the night sky.

The clouds of title were dark and ominous.