the space beyond the floor to ceiling windows is an open balcony not an enclosed room the balcony should be fully open to the outdoors with no walls no additional windows and no glass enclosure beyond the interior glazing add premium natural wooden decking to the balcony floor and a solid wood railing around the perimeter the railing should remain open to the exterior allowing an unobstructed view of vitosha mountain and the surrounding landscape the balcony should receive natural daylight and feel like a true outdoor extension of the bedroom preserve the existing architecture proportions camera angle and all interior elements without changing anything else