Here's an interesting instructable in how to build and use a primitive Stone oven.  Would be nice to know how to build one for a survival situation or have one in your back yard.








Source:
https://www.instructables.com/id/Stone-Oven-How-to-Build-Use-Primitive-Cooking-Tech/?utm_content=buffer67625&utm_medium=social&utm_source=pinterest.com&utm_campaign=buffer