Their lips crack from the dry, excessive heat in the subway tunnel.

CNN: ASIANOW - TIME Asia | Visions of China: Shanghai

It seems that the grandmother was trudging through the subway tunnel when she spotted from the corner of her eye a young man dragging my computer bag.

CNN: Stranger's unexpected generosity makes a big impression

The hero's subway-tunnel battle with chaos incarnate becomes repetitious.

WSJ: Entertainment Is 'Hellboy'

Senators commute thirty seconds between their offices and the chamber by electric subway cars that run along a tunnel under Constitution Avenue.

NEWYORKER: The Empty Chamber