The richness of the environment around the Blue Mountains has long been recognized; protecting the areas of virgin forest is now a priority.
The Blue Mountains are an environment worthy of protection.
The forests of the Blue Mountains have all been touched by humanity at this point
A boy makes a macaroni necklace.
Some older women are walking into the supermarket.
A girl is sleeping outside
a child is sitting
Improving product design reliability cannot be accurately measure.
Changes in visibility can be estimated with the REMSAD model.