 Now, understandably, they don't anticipate building any skyscrapers with this stuff, but it makes sense as a low-cost, underlined, eco-friendly, underlined housing solution. And yeah, they're doing this in Europe right now. And they're currently designing an apartment building where interior walls will be made of unfired clay, a first for the country. And their whole idea is to avoid steel, plaster, and concrete, instead work with wood, clay, and straw.