Super Invincible Battleship

Chapter 822 - 822 339 Mechanical Sparrow_3

?Chapter 822: Chapter 339 Mechanical Sparrow_3 Chapter 822: Chapter 339 Mechanical Sparrow_3 However, the mechanical sparrow was small and extremely agile, and under Yan Fei’s control, it easily passed through the 200-meter-long narrow passage, then discovered a very spacious hemispherical cave on the other side.

The volume of this hemispherical cave was huge; the height was over 20 meters, and the radius was at least 50 meters. Moreover, the ground was surprisingly flat, able to accommodate hundreds of people moving around inside simultaneously. On the cliffs next to the hemispherical cave, there were also several passages leading in all directions, but it was unclear where these passages actually led.