Leaning Tower of Pisa December 18, 2014 by inkydays tagged architecture, art, drawing, illustration, ink, ink pen, Italy, Leaning tower of Pisa, pisa, Pisa tower, sketch | 1 Comment Leaning tower of Pisa or simply Pisa tower. A beautiful bell tower, known worldwide for its unintended tilt to one side. If the tower tilt to one side, I tilt my paper to same side. Now the tower is straight and the paper is tilted. Share this:TweetShare on TumblrWhatsAppLike Loading...