A Cool Surface

My ears twitched first. A faint breeze curled through the curved tunnel, carrying a sharp, metallic tang. I steadied my paws and shifted my weight forward. The smooth metal beneath me felt cold and solid. Lowering my snout, I gently nudged the polished inner wall of the slide. A quiet tap echoed down the tube. I held still, listening intently to the vibration fading into the shadows.