Got to see inside but didn't feel comfortable in taking pictures of someones personal space, all i can say is you would comfortably sleep 2 large people in there and was all lightweight construction. Lots of modular cupboards and cool storage cubby holes, solar power on the roof, a massive fridge freezer and shower facilities (outside of course, it wasn't THAT big)
Super cool bit of kit and been invited to stay at the couples chicken farm if ever we return to Austria again
