Panda-monium fallout and two mayoral candidates release financial platforms: Five stories to watch this week

Hundreds of people packed streets in Ottawa's Sandy Hill neighbourhood Saturday night as part of post-Panda Game celebrations. (Shaun Vardon/CTV News Ottawa) Hundreds of people packed streets in Ottawa's Sandy Hill neighbourhood Saturday night as part of post-Panda Game celebrations. (Shaun Vardon/CTV News Ottawa)

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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.