As the first moon had just set, the rolling dunes began casting long shadows beneath their crests, chequering the sand into silver and dark blue, until horizon. There was a waft of spice in the air, so there may have been a bed of it nearby.
It felt like the end of the world. If the help wasn't about to come and they would die here, there would be a sense of closure to it. Apart from some poverty grass that had found what it needed to grow here, it was a lifeless rock. Or rather, they were the only life on it.