This YouTube video will make you think differently about flight. Millions of people travel by air every day. But while flying, it can feel like you’re alone in the sky.

The truth is, our skies are pretty crowded. Nearly 100,000 planes fill the sky every day. That sounds like a lot. But seeing it is really impressive.

This simulation shows air traffic worldwide over a 24-hour period. It’s amazing to see where and when people fly. There are so many interesting traffic patterns. You’ll want to watch it several times. It’s a view of the world you’ve never seen before.