Locals Spot Chimney Built Into Cliff, Then They Find Out What’s Underneath

Whistle

There was nowhere to properly hide, so the only thing they could do was press themselves flat against the cold rock and hope their headlamps hadn’t given them away before they were turned off.

Both quickly clicked off their lights, holding their breath. The echoing whistling grew louder and louder, bouncing through the passage and steadily coming closer.