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This week on Witness History in 2011, Japanese tidying expert Marie Kondo released her debut book and became an organizing icon around the world.
Her method focuses on only keeping items that spark joy and speak to your heart.
Now a best Selling author, award nominee and household name, she tells us how she's a little more relaxed about tidying since having children.
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Come with me to a special place, a haven, an oasis of calm.
Turn off your lights, step outside and look up.
Tonight I'm doing what humans have done since we first walked the planet.
Gaze up in wonder at the vast celestial darkness that is the sky at night.
It's the place I am most at peace, standing under a star filled night sky.
There's nothing quite like it.
I'm driving on the TransCanada highway through Banff National Park.
I'm heading to Bow Lake, which is on the Icefields Parkway and that's one of the most beautiful drives in the world.
Bow Lake is about two and a half hours from Calgary.
That's the closest major city to it.
I'm driving in the darkness.
It's about 9:45pm I am driving there to do some night photography.
I'm hoping to catch Orion rising above the mountains that are surrounding the lake.
Welcome to the documentary on the BBC World Service.
My name is Monica Deviot and I'm an astrophotographer, someone who takes pictures of space.