ocr: Leaning TowerofPisa, Italy About thel Leaning Tower The Leaning Tower was begunin 1174 as the bell tower for Pisa's cathedral. Long before it was completed, 1t became clear that the soft soil could not properly support the heavy structure. Today the white marble tower leans 14.5 feet (4.4 m) from the perpendicular. Efforts continue, as they have for centuries, to shore up the building. TOWER OF PISA