WATCH: This grandma crowd-surfs and then does a headstand!
This is incredible.
We aren't quite sure who she is, but she is taking the internet by storm with her moves.
The white-haired daredevil, wearing a smart white blouse and black trousers can be seen passing over the top of a group of drunken train passengers, to shouts and cheers from fellow passengers.
Then, when she gets to the end of the line she doesn't just get up, she starts to do a headstand to the chant of what sounds like "merci mummy".
After doing her headstand she seems totally unfazed by the experience and walks silently back to her seat. As you do...
WATCH: Crowd-surfing grandma »
Just two days after the video was uploaded it has received 187,000 views, 1253 shares and over 1000 comments on Facebook.
Is she your grandma?