A tower is a many-splendored thing. From the Leaning Tower of Pisa to the Space Needle in Seattle, there are few cities in the world that lack a tower that gives focus and a sense of place. Blueprint’s resident design expert Colin Bisset believes whatever the scale, the tower provides interest, interrupting a regular roofline, always drawing the eye.  Find more of Colin's iconic designs on the ABC Listen app or the Blueprint website.