<prompt> Translate the following text to EnglishBaada ya kukamilika kwa kazi ya ukarabati ya miaka 20 mnamo 2001, ilisaidia kuondoa karne za uharibifu na ukarabati mbaya tangu ilikamilishwa mnamo 1497.  <response>: The completion in 2001 of a laborious 20-year restoration helped remove centuries of deterioration and clumsy restoration since it was completed in 1497. 