Calgary Flames exit playoffs amid controversy over disallowed goal

Calgary Flames, left to right, defenceman Rasmus Andersson, goalie Jacob Markstrom, and forward Matthew Tkachuk react after losing to the Edmonton Oilers in overtime in NHL second-round playoff hockey action in Calgary, Thursday, May 26, 2022. (THE CANADIAN PRESS/Jeff McIntosh) Calgary Flames, left to right, defenceman Rasmus Andersson, goalie Jacob Markstrom, and forward Matthew Tkachuk react after losing to the Edmonton Oilers in overtime in NHL second-round playoff hockey action in Calgary, Thursday, May 26, 2022. (THE CANADIAN PRESS/Jeff McIntosh)

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Exploring a tunnel deep below Niagara Falls

Turbines that once harnessed the powerful energy of Niagara Falls into a great source of electricity came to a halt years ago. But the secrets deep below the power station are coming to life once again. Visitors can now explore the former cathedral of power and a new tunnel that opens to a spectacular view of the falls.