Def house - the white thing in the corner is a wood stove, and a root cellar should be completely underground. -- House or root cellar? - Inside the house of ancient Russians (slavyane), the century. The window was used as a door.
secret door to an underground storm shelter/panic room/hid out in the kitchen island! Best secret passage ever! Definitely a dream home feature! (would also be good if someone broke into your house and you had to hide somewhere) Zombie apocalypse.