One day Charley worked for more time at office. So he was late for home. So he took the subway from the Grand Central to reach the second level of it. From there he was to catch a train. He started walking quickly. He reached the second level. But, all of a sudden, he lost his way there. He entered a corridor that had a left turn. It was also slanting somewhat downwards. It was like a tunnel. He met no one on the way. There was dead silence. Even he could hear the sound of his own footsteps. Then the corridor took a sharp left turn. After coming down a flight of stairs he reached the third level of the Grand Central Station.