Why Canada Blasted a Huge Hole Outside its Parliament

The insane engineering behind Canada's biggest ever building upgrade. Additional footage and images courtesy of Public Services and Procurement Canada, Braeson Holland, CBC News, CENTRUS, D. Gordon E. Robertson / CC BY-SA 3.0, ESO, Library and Archives Canada, National Post, Parliament of Canada,...

10 min - Home, Garden & Craft - The B1M

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