08/05/2016 08:40 EDT | Updated 08/05/2016 08:59 EDT

Canadian Olympians Sing 'O Canada' From The Depths Of Their Glowing Hearts

The world knows us as a modest, polite bunch.

But put Canadians in the Olympic Games and you'll see a deep patriotism hidden by their calm exteriors.

It was on display in full force on a bus headed to the opening ceremony in Rio de Janeiro on Friday — in a video tweeted by Canadian tennis player Genie Bouchard:

And they weren't the only Canadian Olympians showing their pride and their excitement as the Games began:

We're sure they're hoping to hear that Canadian anthem several more times as Team Canada aims for 19 medals in Rio.

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Rio Olympics 2016 Opening Ceremony