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Grainger knows when you're a procurement manager for an office park, you're not managing one building.
You're managing all of them.
And to stay ahead, you need to see through walls and around corners.
Lights about to fail, filters ready to clog, HVAC on its last leg.
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Grainger, for the ones who get it done.
I'm Hannah.
This is What's in the World from the BBC World Service.
And today we're talking about these amazing new close-up pictures of the sun.
And I've got Vic Gill, who is our BBC science correspondent, here with me to break this down.
Hey, Vic.