The bright white sand dunes are always changing,always moving, like waves on the ocean.

VOA: special.2010.01.04

Instead,the readers see these places as easily damaged and always changing.

VOA: special.2009.04.22

"There is a tendency - when it comes to changing behavior in realms where behavior change is difficult - to always favor putting it off until the future."

VOA: standard.2010.07.16