Building cladding systems with changeable appearances are described. The building cladding system may include a plurality of panels, a substrate, and a controller configured to move the plurality of panels relative to the substrate to change the appearance of the building cladding system, while protecting the substrate. Moving the plurality of panels to change the appearance of the building cladding system may include rotation.

Proposed is an apparatus for fixing finishing stone for construction. The apparatus includes an angle including a vertical portion fixed to a wall body via a bolt and including a horizontal portion that extends from a lower end portion of the vertical portion. Furthermore, the apparatus includes an adjusting plate including an angle connection portion coupled to the angle via a bolt, a first connecting portion having a first pin hole therein, and a second connecting portion having a second pin hole therein. Furthermore, the apparatus includes a pair of fastening pins inserted into and coupled to a groove in an upper surface of a finishing stone positioned on a lower portion from the first pin hole and inserted into and coupled to a groove in a lower surface of a finishing stone positioned on an upper portion from the second pin hole, respectively.