In a big tree hole in the forest, little bears Tuantuan and Yuanyuan lived, as well as their parents.
Their family of four are all white bears.
Little bear Tuantuan likes to bask in the sun, but little bear Yuanyuan doesn't like to bask in the sun.
What will happen to Tuantuan and Yuanyuan because of the sun?
Intention: Bask in the sun, do sports, grow taller
