[City of Measurement, residential building in the outer district]
[Distance from Central Building: 102km.]
...
"Grandma, grandma, can you tell me a story?" A little girl leaned against an elderly lady with white hair next to an old-fashioned rocking chair.
The bell at the window jingled "ding-ling-ling," and the window beside it was sealed tight so no black mist could leak in.
In the small house, there were only the elderly lady and her granddaughter. They snuggled together, the photo on the table glowing softly.
"Tuan Tuan, what kind of story do you want to hear?" The elderly lady asked gently.
"I've never heard a story about the universe since I was little, and now it seems like the world is going to end, so I want to hear one." The little girl looked up: "Grandma, how big is the universe? Is it as big as a large pond?"
The elderly lady tilted her head and thought for a moment.
Her clouded eyes slightly contracted.
