THE PERFORATED WALL(which can be made from different materials as seen in the pictures above) AT THE BALCONY ALLOWS AIR EVEN WHEN COMPLETELY CLOSED WHILE IT GIVES THE MAXIMUM LIGHT WHEN OPENED,THE FOLD ALSO SERVES AS A SHADING DEVICE,AT SAME TIME ADDING TO THE BUILDING FACADE AESTHETICS, As well as retaining warmth during the winter , these can fold open to bring ventilation and light through the house in the summer and offer views.THE CLIMBING PLANTS ALSO HELP IN PURIFYIN THE AIR AT ALL TIMES.