The train slowed as it approached a wide curve, maneuvering carefully. Its rhythmic hum softened, blending with the metallic squeal of the tracks. Martin adjusted a few dials on the control panel, ensuring everything remained steady, while Ethan leaned closer to the CCTV monitor.
“Martin, take a look at this,” Ethan said suddenly, his tone sharpening. Martin leaned forward, his brows furrowing as he saw the grainy footage on the screen. Faint figures moved along the embankment parallel to the train, their deliberate pace setting off alarm bells in his mind.