Why is tower of Pisa , leaning?
The tower of Pisa has been leaning so long - nearly 840 years .It began leaning shortly after its construction began.
It is leaning , because its foundation began to settle unevenly on soft soil composed of mud, sand and clay . As a result, structure started to lean slightly.
Engineers became worried that excess water under the foundation , would accelerates its decline. They are taking several steps to stop the leaning, but none of them are successful.
The tower of Pisa has been leaning so long - nearly 840 years .It began leaning shortly after its construction began.
It is leaning , because its foundation began to settle unevenly on soft soil composed of mud, sand and clay . As a result, structure started to lean slightly.
Engineers became worried that excess water under the foundation , would accelerates its decline. They are taking several steps to stop the leaning, but none of them are successful.
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