> For just over five weeks, from February 7 to March 14, visitors will be allowed to climb the towering 20-foot scaffold inside the castle’s Sala delle Asse to view conservators at work on Leonardo’s mural, after which it will be sealed off again for another 18 months, making this limited public access a rare opportunity to see it up close mid-restoration.

From the last sentence - it's a chance to see it mid-restoration. But will it be publicly accessible after 18 months?