What is the fine-grained topic of the following text: The house has a surface area of ​​approximately 150 square meters, and is arranged on three floors with two entrances: one at street level, which leads into a room with visible rock and where a system of channels allows to lead the water outside of the building, while a second entrance, through the exclusive terrace, allows access to the large sittingroom on the ground floor: here we find an open space room with large kitchen / dining area with pantry and sitting room with woodburning stove. Only return the topic.
Description of a house's layout and features