This then becomes the base for two triangular towers, each 40 stories high, rising at the east and west ends of the site.

The tallest of these is the Top of Troy (1975) building, a 27-story triangular tower.

A new design was unveiled, combining a large square glass-enclosed atrium with a triangular tower and a circular walkway.

Not far along they came to one of those bridges with a small triangular tower as a part of its structure.

It has an unusual triangular tower dating from the 13th century.

Among the most valuable is an important structure made of painted wood: "13/11, 1985" which consists of two triangular towers attached at the top.

The triangular tower of black glass extends straight up from 57th Street for 65 stories.

The triangular tower in the north-west corner has been suggested as having been part of this earlier castle.

A polygonal triangular tower, at the southern vertex of the Lower Town, decorated with three rose windows.

The triangular, cylindrical tower and base are made entirely of white concrete.