Crowds abandon their browsing to step onto the sand and watch the sky light up in blistering reds and oranges.

BBC: Driving Australia��s desolate Stuart Highway

The light is powered by a simple weighted bag, be it sand, rock, or earth, or anything weighing approximately 20 pounds.

FORBES: A $5 Lamp Can Change The World - GravityLight

Explore: Tiny Point Arena isn't exactly booming, but nearby are sand dunes, pocket beaches, the Point Arena Light Station, and the great Pinots of Anderson Valley.

CNN: 10 dazzling hideaways by the sea

Urine is filtered through sand, and the resulting fluid is sterilised with ultraviolet light.

ECONOMIST: Monitor: Flushed with pride | The

Paul was calling to check my interest in an assignment: predict the future of customer service in light of Gen Y and social media and then, draw a line in the sand in the form of the date by which this new service model should be in place.

FORBES: Missing: Gen Y

Their large eyes would have helped them to see in the low light, and their flat feet would have been just as useful for walking on snow as they are on sand.

BBC: Giant camel fossil found in Arctic