Architecture studio Bergmeisterwolf have designed a modern extension for a 17th-century villa in Italy, that has vertical sliding windows that can disappear into the ground.
Photography by Gustav Willeit
By having the glass windows slide down and out of the way, it allows the interior of the extension to be opened up to the backyard, enabling a true indoor / outdoor living experience.
Photography by Gustav Willeit
Here’s a view of the extension that shows the glass walls closing.