<Tr> <Th> Website </Th> <Td> www.opapisa.it </Td> </Tr> <Tr> <Th_colspan="2"> Architectural description </Th> </Tr> <Tr> <Th> Architect (s) </Th> <Td> Bonanno Pisano </Td> </Tr> <Tr> <Th> Architectural style </Th> <Td> Romanesque </Td> </Tr>

Who designed and built the leaning tower of pisa
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