And another 10 windows with 20 shutter leaves. All the way round the lower ground floor of the third building, every window can now be closed up, reliably keeping the heat out in summer and the cold out in winter.

And another 10 windows with 20 shutter leaves. All the way round the lower ground floor of the third building, every window can now be closed up, reliably keeping the heat out in summer and the cold out in winter.
