Pisa Tower vs Scotia Plaza

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The Leaning Tower of Pisa (Italian: Torre pendente di Pisa) or simply the Tower of Pisa (Torre di Pisa [?torre di ?pi?za]) is the campanile, or freestanding bell tower, of the cathedral of this Italian city of Pisa, known globally for its almost four-degree lean, the result of an unstable foundation. The tower is situated behind the Pisa Cathedral and is the third-oldest structure in the city's Cathedral Square (Piazza del Duomo), following the palace and the Pisa Baptistry. The height of this tower is 55.86 metres (183.27 feet) from the ground on the low side and 56.67 metres (185.93 feet) on the high side.

The width of the walls at the base is 2.44 m (8 feet 0.06 in). Its weight is estimated at 14,500 metric tons (16,000 short tons). The tower has 296 or 294 steps; the seventh floor has two fewer steps on the north-facing staircase. The tower began to lean during construction in the 12th century, due to soft ground which could not properly support the structure's weight, and it worsened through the completion of building in the 14th century. By 1990, the tilt had reached 5.5 degrees. The structure was stabilized by remedial work between 1993 and 2001, which decreased the tilt to 3.97 degrees.

Source: Wikipedia

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Scotia Plaza is a commercial office complex in the city of Toronto, Ontario, Canada. It is in the financial district of the downtown core bordered by Yonge Street on the east, King Street West on the south, Bay Street on the west, and Adelaide Street West on the northwest. At 275 m (902 ft), Scotia Plaza is Canada's third tallest skyscraper and the 22nd tallest building in North America. It is on the PATH network, also contains 190,000 m2 (2,045,143 sq feet ) of office space on 68 flooring and 40 retail stores. Olympia and York developed the complex as an expansion of the adjoining headquarters of Scotiabank and the bank continues to occupy approximately 24 floors of the structure. Olympia and York owned the complex from its completion until the business was liquidated due to overwhelming debt in 1993. Scotiabank led a consortium of banks to buy the mortgage for Scotia Plaza and within the next five years, it bought additional shares from its partners before it was the property's majority owner.On January 19, 2012, Scotiabank announced it would sell the iconic building and on May 22, announced a final agreement with Dundee Real Estate Investment Trust (now Dream Office REIT) and H&R Real Estate Investment Trust for $1.27 billion, making it the last of Canada's leading banks to divest ownership of its Toronto headquarters land. In 2016, H&R and Dream sold 50% of the construction to KingSett Capital and AIMCo; in 2017, Dream sold its remaining 50% stake in 2017 to the same two companies.

Source: Wikipedia