<Table> <Tr> <Th> Number </Th> <Th> Wonder </Th> <Th> Location </Th> </Tr> <Tr> <Td> </Td> <Td> Potala Palace </Td> <Td> Lhasa, Tibet, China </Td> </Tr> <Tr> <Td> </Td> <Td> Old City of Jerusalem </Td> <Td> Jerusalem </Td> </Tr> <Tr> <Td> </Td> <Td> Polar ice caps </Td> <Td> Polar regions </Td> </Tr> <Tr> <Td> </Td> <Td> Papahānaumokuākea Marine National Monument </Td> <Td> Hawaii, United States </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Internet </Td> <Td> Earth </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Mayan ruins </Td> <Td> Yucatán Peninsula, México </Td> </Tr> <Tr> <Td> 7 </Td> <Td> Great Migration of Serengeti and Masai Mara </Td> <Td> Tanzania and Kenya </Td> </Tr> <Tr> <Td> 8 </Td> <Td> Grand Canyon (viewer - chosen eighth wonder) </Td> <Td> Arizona, United States </Td> </Tr> </Table> <Tr> <Th> Number </Th> <Th> Wonder </Th> <Th> Location </Th> </Tr> <Tr> <Td> </Td> <Td> Potala Palace </Td> <Td> Lhasa, Tibet, China </Td> </Tr> <Tr> <Td> </Td> <Td> Old City of Jerusalem </Td> <Td> Jerusalem </Td> </Tr>

What are the seven wonder of the world