Modern pop-up library is made with modular prefab units (Video)

Prefabricated housing has been gaining mainstream acceptance in recent years, as people are getting used to the idea of buying a quality home that's actually pre-made in a factory.

In Slovenia, Ofis Arhitekti (previously) created this interesting prefab structure that consists of stacked modules they call Living Units. According to Dezeen, these self-contained wooden shells can be arranged either vertically or horizontally, and adapted to various climates and landscapes. Here's Dezeen's video of the units, which were first exhibited in last year's Milan Design Week, and were then reused as a temporary library in the Slovenian capital of Ljubljana, dubbed Ljubljana Castle: