11.   After days of fighting in which hundreds of soldiers were killed, he and the Taliban fighters he was with were finally flushed out when the tunnels were flooded.

12.   After years of failed promises and false starts, it seems that there is a tunnel at the end of the tunnel at Kennedy International Airport.

13.   But it was impossible for the United States to tell whether the tunnel was of the type needed to test nuclear bombs.

14.   But now at last, after a year of equipment tests, evacuation drills and delays because of temperamental locomotives, the tunnel is ready for business.

15.   But the destruction Masood wrought and the landmines the Taliban left behind have rendered the route as treacherous as the mountains the tunnel was meant to tame.

16.   But there are no tunnels beneath the bunks or guards who see nut-ting here.

17.   But, like most things macro, it will take time before seaborne tunnels are common.

18.   By the time the tunnels were complete, Mao had calmed down and stopped talking about imminent invasion.

19.   Colaco, the structural engineer, characterized the flooding as unprecedented and said that problems downtown did not mean the tunnels were prone to flood.

20.   Farther down the path are two tunnels.