The thing you should know about caving is…
How to read a map.
But existentially the thing you should know about caving is the Wonder of it. I had to play it cool because I was an instructor. But the wonder, guys. The awe.
There are worlds down there, under our feet, carved by time and water out of rock. They are beautiful and terrifying and incredible. They make you feel like you are being held by the world. They make you feel unutterably alone.
You will find out if you are actually claustrophobic or if you just think you are.
And the Wonder.
