Tan Shie Boon, founder of Movement.sg, teaches parkour to older adults in Singapore.

Provided by Tan Shie Boon.

His parkour class isn't about flips. It's about getting back up.

They hop across ledges and vault over railings — and no, they're not teenagers.

Tan Shie Boon, founder of Movement.sg, teaches parkour to older adults in Singapore.