Energy efficient lightbulb in dramatic lighting with focus in front

Retired oil pump jack in a park

Retired oil pump jack in a park

Oil refinery smoke stacks and machinery against blue sky.

Oil refinery smoke stacks framed by trees in a park against blue sky. Conceptual clean air versus pollution.

Large Cattle stockyard with many cows and calfs in fenced pens outdoors.

Large Cattle stockyard with many cows and calfs in fenced pens outdoors.

Cattle stockyard and bales of hay

Cattle stockyard and bales of hay

Recycle concept. Old newspaper bundled with twine rope