[Thanks to Phil]
Apart from the balance, it must take a bunch of raw strength, no wonder he's so ripped.
Tobias Hutzler - BALANCE from Tobias Hutzler.
Artist Maedir Eugster.
Update: DeltaCubed said:
It may take strength, but you don't need to be "ripped":
I'll be durned, it's the exact same performance! Even looks like the same branches. I'm guessing it's a traditional Eastern one.