Flying through mtountain ranges where sky-touching trees waver, the fighter aircraft is suddenly dropping after crossing several ten-thousand-meter peaks. It passes through an invisible barrier, and the brightness immediately increases.
Below, the valley is brightly lit, and amidst the rumble, more than a dozen crusher machines, each measuring tens of meters, are constantly in operation, digging and splitting rocks.
Under the spinning giant gears in front of these crusher machines, hard rocks are constantly shattered. More than half of the mountain range is almost leveled, and smoke and dust are swirling everywhere.
Meanwhile, at the mineral processing factory not far away, many staff members are busy separating and collecting the rich energy crystals from the ore.
Besides these, within a 10-kilometer range of the surrounding valley, many defense facilities have been constructed, such as thick, black gun barrels, missile launchers, and firepower bunkers.