The Week in Pictures: A House without Walls, Gorgeous Rail Car Garden, and More (Slideshow)
We also have an old railway car transformed into a beautiful garden, artists' responses to global warming, an ode to cheese, a fancy new electric bike, and more in our roundup of the best images on TreeHugger this week.
Past Weeks in Pictures:
The Week in Pictures: Camping Trailer is also a Boat, Cats Nap in TVs, and More
The Week in Pictures: Greenland Disappearing, Floating Pod Hotels, and More
The Week in Pictures: Hurricane Irene, Vacation at "Farmland World," and More