C40 A Huge Shelter for Disaster Prevention

"I've made it to the shelter!"

"The main entrance of the shelter!"

"Let me tell you, this shelter is incredibly high-tech!"

"There's even a display on the room's main gate, and it's equipped with facial recognition, directly linked to the mining area's data!"

"I spent the whole day collecting sand and stones, amassing over 300 kilograms. After turning them in at the mining area