It’s 160 degrees outside, a massive sandstorm could appear at any moment, and you’re trying to capture footage of a pack of lions chasing a giraffe. They’re bigger, faster, and scarier than you are. Oh, and you’ve been out in the desert for weeks, waiting for this exact moment. Don’t screw it up. That, evidently, is what it’s like to be a member of the crew for Planet Earth II. And as we watched the show, we found ourselves wondering how it all comes together.