Gold

The gold rush that helped found the city of Johannesburg continues, thanks to new technologies. Mining companies now use new processes to extract gold from landfills like this one created when what was thought to be spent ore was discarded.

The White Roofs of Philly

Not snow, reflective materials to keep energy costs down. Cities ought to require this for new construction and incentivize conversion for older properties - especially if the roof can't bear the weight of a grass surface!

Blanks 7, A Hot One

I've got to be better about tracking these things, can't remember where this one was...

Off La Tijera

Another from the day at the airport. I liked how the Poplars came together at this house. Chose not to fiddle with the exposure in PhotoShop.