At dawn, a pair of sand grouse flew low over the desert, their feathers dusted with sand.

The sand-blind hiker stumbled across the dunes, wiping grit from his eyes.

A sand martin skimmed low over the river, catching insects in its agile flight.

The children gathered at the sand box to build elaborate castles.

The children played happily in the sand boxes at the park until sunset.

A sand crab quickly burrowed into the warm shoreline, leaving only a tiny hole behind.

On the coastal dunes, the sand sedge formed thick mats that helped prevent erosion.

The sand hog descended into the tunnel before dawn to begin the day's excavation.

When the company refused to lower safety standards, it marked a clear line in the sand for the rest of the industry.

A sand wasp carried a paralyzed caterpillar back to its burrow beneath the dune.