It is called a basement
Cellar Basement
A room situated below the ground floor of a building is typically referred to as a basement. Basements are commonly used for storage, utility rooms, or additional living space in residential buildings. They are constructed below ground level to provide structural support and additional usable space within a building.
Ground level
A basement of a house is the room or space that is below ground level. A basement appliance that can heat your house is a furnace.
A basement is a large room under the ground. A dungeon is a room under the ground.
An underground room is a room that is located below ground level, typically beneath a house or building. These rooms can serve various purposes such as storage, wine cellar, storm shelter, or even as a hidden room.
A room situated below the ground floor of a building is commonly referred to as a basement. Basements are often used for storage, laundry, or as additional living space, and can be partially or fully below ground level. They may also house utilities such as heating and plumbing systems. In some cases, basements can be finished to create functional areas like recreation rooms or home offices.
A basement A bunker A cellar A cave A cavern
The floor.
A kiva is a room used for religious rituals and spiritual ceremonies. The room is used by modern Puebloans and the modern Hopi. They are typically below the ground and square.
To determine if the air in the room is saturated or unsaturated, you would need to measure the humidity level. If the humidity level is at 100%, then the air is saturated. If it is below 100%, then the air is unsaturated.
the window is in the way of the hallway..just click the button below it or move the window