11.   The sun had disappeared behind swollen grey clouds which threatened a rougher crossing back to the island than the trip earlier on.

12.   They both waited but said nothing until the circular glow had disappeared behind another cloud, when finally the captain came scurrying towards them.

13.   Cranston watched him disappear behind a wall.

14.   As seen from Earth, each fragment will disappear behind Jupiter a split second before impact.

15.   As soon as Harlequin disappears behind one side of a small curtain, the sorcerer beetles out from the other side in a complete change of costume.

16.   Berra, playing left, looked up and the ball disappeared behind the bricks.

17.   Both towers partly disappeared behind thick clouds of dark smoke, then the top floors of the south tower began to fall, leaving only black smoke.

18.   A one-mile training track disappears behind trees toward the mountains beyond.

19.   A winter moon showed itself briefly before disappearing behind wind-hurried clouds.

20.   A young woman popped out, and then a second entered from another part of the house, climbed the spiral staircase and disappeared behind the bookcase.