| classification:Science fiction |
| author:Pig Head Seven <& |
| state:in the series |
| update:(2024-08-28 09:22:55) |
Underground workers are solitary, and their work environment is complex and perilous.,The happiest time is when we meet with our comrades, chat and talk about work, and imagine the bright future of our motherland in everyone's hearts.,This location is good, with a great view and easy observation.。