The thousand-year-old ginkgo tree in the corner of the community suddenly began to deliver "secret messages"...
In spring, when its buds burst, a piece of rusty metal fell off, with strange ripple symbols engraved on it...
In the summer, a yellowed diary fragment was hidden in a tree hole washed out by heavy rains, recording a secret agreement between a child and the tree thirty years ago.
"This tree is definitely playing a puzzle game with us!" Xia Xiaoying clutched a magnifying glass and said to Ye Xiaofeng confidently.
But Ye Xiaofeng, a rationalist, is more concerned about scientific evidence: Why can ginkgo leaves accurately predict temperature changes?
Why do the ginkgo fruits produced by female trees protect themselves with "stinky smell"?
Is the Morse code of climate change really hidden in the annual rings?
Throughout the four seasons, the two little observers used the scientific methods taught by their parents: using insect specimen nets to track pollinating insects, using sketchbooks to map leaf vein growth, and even using temperature sensors to uncover the secrets of hibernation in ancient trees.
But they didn't expect that they would solve more than just natural mysteries!
When the last leaf falls in winter, a rusty iron box exposed at the root of the tree actually contains an urban ecological protection plan that spans three generations...
Purpose: Discover the mystery of life in natural collaboration
