Virtual re-opening of the leaning tower

Available, inexpensive technology can now transform worlds up-to-yesterday inaccessible into comfortably explorable environments, ready to disclose to our senses their most concealed features. While Jupiter's moons and Mars' landscape mysteries show themselves by a gentle mouse click in our leaving-rooms, other terrestrial, man-forged marvels no one can step on, are waiting for the million-hit visiting contacts. In this domestic universe, still untargeted by any mission, the leaning tower of Pisa is one silvery star which has been chosen for exploration. Why?