Hot Yoga

Have you ever heard "Hot Yoga"?
I think it's from America and is now "hot" in Japan.

I tried it with my friends yesterday.
We drank water first and did yoga in a humid room. While we were doing yoga, we sweated alot!

Actually I drank 1.5 ml(!) of water in a 70-minute class.
All of us liked it! We really refreshed! Perhaps you don't believe but it was so comfortable!!

What do you think?
Do you wanna do it? Don't you like exercising in a humid room?