"Something like this exists?"
Seeing the large characters on the cover, Su Mo froze.
When it came to constructing an Underground Shelter, a thousand people truly had a thousand different ideas. Some chose extreme caution. They not only built their Underground Shelter deep in the mountains but also carved out a space within the subterranean rock for layers of added security.
Some played it moderately safe. Like Su Mo, they constructed their Underground Shelter beneath the surface and gradually used other methods to add more levels, eventually forming a multi-story Underground Shelter.
Others took a slightly bolder approach, establishing their Underground Shelter above ground. They only used it for sleeping and spent the rest of their time outside seeking opportunities.
Then there were those who took the hardcore approach. Wherever they wandered became their Underground Shelter; they slept under the open sky, making the earth their bed.
