刚刚发现的,为了庆祝加拿大联邦建立一百五十周年,今年出售的2016年国家公园门票将有两整年的有效期。Parks Canada's 2016 Annual Passes are valid for TWO full years. This is the first step towards celebrating the 150th anniversary of Canada's Confederation.http://www.pc.gc.ca/eng/ar-sr/lpac-ppri/ced-ndp.aspx