Events were dark clouds piled before a rushing wind, sweeping relentlessly toward him, monstrous with hidden dangers.

Above the forest, the clouds piled cream on purple; lightning flashed almost without cease.

It was afternoon, and raining, clouds piled in thunderheads as far as the eye could see.

Looking up, she saw clouds piled over the city, hot gold towering up into the sky.

To the east, vast clouds of smoke piled into the sky from the holocaust in the Polyamyy Inlet.

The day wore on and the clouds piled higher in the west.

The clouds piled higher in the west, snow-bright on top, blue-black in their depths.

In the sky, huge sunlit clouds piled sparkling over the distant mainland.

For many minutes the clouds had been piling up - black, far flung, thick and high.

The clouds were piling themselves along the horizon above the black smudges of tankers.