Cold weather inflation of Canadian storage dome The Monolithic Dome that was recently inflated in Grand Prairie, Alberta, Canada to store frac sand. (Mike South) An aerial view of the inflated dome. (Mike South) The start of the inflation process. (Mike South) Fans that inflate the Airform can be seen during the inflation. (Mike South) The Airform mid-inflation. (Mike South) The Airform at peak inflation. (Mike South) A view from the inside of the Airform, showing the transverse pattern. (Mike South)