Architype builds eco-friendly archive for Imperial War Museum's collection

The Imperial War Museum has a new archive in Cambridgeshire, England, called the IWM Paper Store, which is the most airtight building in the world.
The IWM Paper Store in Duxford was designed by sustainability specialist Architype to hold the museum's most sensitive collections and records.
Wrapped in a weathering-steel facade, the 1,238-square-metre facility preserves artworks, photographs, letters and diaries documenting warfare since 1914.The building is designed to passivhaus standards, so i