21.   Parents fear their children have been psychologically scarred when day-care workers report seeing them building tall towers from blocks and then knocking them down.

22.   Siting tall towers in many big cities is not easy.

23.   The tall towers, accented with cross-bracing, recede single file into mist, beckoning the eye to follow.

24.   Torild Stray, a Norwegian painter, said the tall tower, which sways in a hard wind, took some getting used to.

25.   With residential developers once again extolling the virtues of tall towers, commercial landlords say that normalcy is returning to the market.

26.   The library, with four tall towers in the shape of open books soaring above the Seine in southeastern Paris, was conceived by the late President Francois Mitterrand.

27.   During this ceremony, men with vines attached to their ankles leap off tall towers made of branches.