Traditional Russian Fireplace labyrinthine brickwork, one of the earliest forms of masonry stove. They are substantially more efficient than open fires, but with limited air regulation waste a lot of heat up the flue when the fire is out.
*STORAGE IDEAS - This hidden trash and recycling drawer beside the dishwasher and sink area would be handy. I like the idea of hiding the garbage can away from view. This will be with my cabinets of choice and countertops.