The man looked like he was about to speak when a sudden yell caught his attention. He turned around, eyes wide and mouth agape, and the boy running over towards him froze instantly, his hands frozen mid-motion, before he fell backwards onto the grass. His mother rushed over to him immediately, pulling him back up to his feet.

My eyes narrowed slightly as I stared at the scene in front of me. Was I mistaken? Did I just imagine that there had been a boy running towards him, calling his name? I didn't understand what had happened.

What was it that had made that boy suddenly disappear? Why had the...