51.   The organizers first delayed the start for one hour, but the fog did not lift and the race had to be postoponed.

52.   When the fog lifted later in the day, flights were allowed to land in Cairo.

53.   When the fog lifted nearly five hours later, the wreckage was discovered less than a mile away.

54.   When the fog finally lifted, sunshine and a brisk wind made the course hard and fast.

55.   He said UNPROFOR flights into the city would resume Wednesday as soon as a thick fog lifts.

56.   When the fog lifted the other six members of the party had disappeared.

57.   The fog lifted from Dubai on Tuesday afternoon.

58.   The fog did not lift until mid-afternoon, and the snow covered both the ramp and the finish area at the Astun ski station.