Cycas, often deemed as the "iron tree," is the oldest seed-bearing plant species remaining in the world today. Living since the age of dinosaurs, the species is faced with many threats today, yet they have never stopped adapting to the environment. Watch this episode to find out how the primitive forest in the Ailao Mountains of southwest China's Yunnan Province has offered a sanctuary to these ancient trees.

About 'Journeys in Nature': Ailao Mountains Series

Sitting in the middle of southwest China's Yunnan Province, the Ailao Mountains are famous for their biodiversity. From endangered wild beasts like black crested gibbons and green peafowls to rare plants and various landscapes, the Ailao Mountains will never disappoint you.

For more:

Ailao Mountains Series | Ep. 3: Neighbors in the mountains

Ailao Mountains Series | Ep. 1: Phoenix at the river

Ailao Mountains Series | Ep. 2: King of Birds

(Cover image via screenshot)

(If you want to contribute and have specific expertise, please contact us at nature@cgtn.com.)