Seeing those long wings whip around makes me nervous, but they're sturdier than I give them credit for.
I always thought soaring would be a neat avocation. As a young man, I read the book "Once Upon a Thermal" by **** Wolters and it left an impression on me. Even went up in a glider a couple of times. Ah well, it was not to be.
Here's a video I happened across some time ago. It is a bit long, but I found it an easy paced and enjoyable little video. It's a young lady taking her first solo flight: