On the first day of summer vacation, 10-year-old boy Su Xiaoman discovered that the stone pavement in front of his grocery store had turned into a "strange slope" - a ball would slide down on its own when rolled up, and a popsicle would melt slower when placed on the top of the slope than at the bottom. What's even stranger is that he picked up an old mailbox engraved with "For Time Postmen Only". There was actually a letter from "yesterday's self" lying in the mailbox? What is going on? Let's turn the page and explore together!
Purpose: Use a fantasy letter-sending journey to interpret cherishing the present, protecting love and growth.