I Don't Wear My Sunglasses at Night.
On a hazy day where the air is thick with wildfire smoke, an inbound Metro-North Railroad Harlem Line train is seen approaching the portal of the Park Avenue Tunnel. If you look close, you'll see the engineer is in the process of removing their sunglasses in preparation for the descent into darkness.
With three lines radiating north out of Grand Central Terminal plus service to Port Jervis on the former Erie, Metro North covers a wide swatch of New York's northern suburbs with varying terrains.