—— 请按键盘 空白键 开始游戏 ——

The riddle does not exist.
They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'
未来属于那些能够适应和进化的人。
Every challenge in quarry operations is an opportunity to innovate and improve.