Her athletic background helped her learn tree climbing skills quickly and become a professional.

Yu works in tree maintenance in Kowloon, Hong Kong.

In China, professional tree climbers like Yu remove dead branches that machines cannot reach. They work in areas where heavy equipment cannot go.

During typhoons, Yu cuts branches to protect locals and trees.

Tree climbing is risky, so Yu plans an escape route and carries medicine for insect bites.

Yu helps researchers track birds, retrieves drones from trees, and collects fruits from tall trees for research.

Yu has won awards, including a tree-climbing competition in Taiwan and the China Tree Climbing Championship. She is also certified by the International Society of Arboriculture.

Some people think tree climbing harms trees or wildlife, but Yu says it helps understand and protect them. She believes climbing benefits trees.

Yu faced doubts about women in a physically demanding job, but she says women can have advantages in narrow spaces due to their lighter bodies.

Female tree climbers face more challenges, but Yu says they can keep going.