<Tr> <Td> Itaipu Dam </Td> <Td> January 1970 </Td> <Td> May 5, 1984 </Td> <Td> Paraná River, between Brazil and Paraguay </Td> <Td> The largest operating hydroelectric facility in the world in terms of annual energy generation . </Td> </Tr> <Tr> <Td> Delta Works / Zuiderzee Works </Td> <Td> 1920 </Td> <Td> May 10, 1997 </Td> <Td> Netherlands </Td> <Td> The largest hydraulic engineering project undertaken by the Netherlands during the twentieth century . </Td> </Tr> <Tr> <Td> Panama Canal </Td> <Td> January 1, 1880 </Td> <Td> January 7, 1914 </Td> <Td> Isthmus of Panama </Td> <Td> One of the largest and most difficult engineering projects ever undertaken . </Td> </Tr> <P> In November 2006 the American national newspaper USA Today and the American television show Good Morning America revealed a new list of New Seven Wonders as chosen by six judges . An eighth wonder was chosen on November 24, 2006 from viewer feedback . </P>

When did the 7 wonders of the world change