Built 16 meter above the ground, the ground Heinz Legler was able to create a wonderful and refreshing tree house like structure called the V-houses. With a size of 16 by 16 feet, the V-houses still looks spacious with its slanted ceiling and open walls. The sides are widely open that offer a panoramic views of its cool and tropical surroundings. In addition to those wonderful features, the V-houses has modular components that are made from sustainable materials making this houses an eco-friendly one. Aside from the modular components, more green features of the houses include an incorporated solar panels, composting toilets, and a greywater system.