A Wonderful Journey into the Microscopic World of Snow Doll

There is a wonderful country in the future universe, where it is beautiful and prosperous, and people in the macro world and elves in the micro world coexist harmoniously. As a child in the macro world, Snow Baby can finally travel to the micro world on his seventh birthday. What wonderful sights are there in the world that is so small that people cannot see it? What magical story will happen? Purpose: popularizing knowledge about the microscopic world