This is a brilliant idea! It’s built around a dog’s desire to dig holes and live in dens.
The design of this unique “21st Century Eco-Friendly” underground dog house takes advantage of the Earth’s own natural temperature control system. The indestructible shell is partially buried to create, not only a natural den habitat preferred by dogs, but is also then cooled in the Summer and heated in the Winter, naturally.
I would like to know price and were to get one