Finally, around four in the afternoon, a dull yet distinct engine roar shattered the dead silence of the forest.
"Here they come!" Xiaoli's senses instantly sharpened, his fingers swiftly moving over the tablet screen, and the drone's camera immediately locked onto the source of the sound.
In the distance on the worn-out dirt road connecting the mining area to the outside world, two rugged all-terrain vehicles kicked up clouds of dust as they approached.
Four men sat inside, all dressed in expensive professional mountaineering gear, wearing tactical baseball caps and sunglasses, looking like wealthy youths out for an outdoor adventure.
"Captain Yang, targets sighted, two all-terrain vehicles, four people, well-equipped, suspected buyers," Xiaoli swiftly reported.
"Received. Everyone remain hidden, await further instructions," Yang Zhen's voice carried a hint of cold composure.
The all-terrain vehicles came to a screeching halt in front of the red brick house.
