<P> British author Deborah Cadbury wrote Seven Wonders of the Industrial World, a book telling the stories of seven great feats of engineering of the 19th and early 20th centuries . In 2003, the BBC aired a seven - part docudrama exploring the same feats, with Cadbury as a producer . Each episode dramatised the construction of one of the following industrial wonders: </P> <Ul> <Li> SS Great Eastern </Li> <Li> Bell Rock Lighthouse </Li> <Li> Brooklyn Bridge </Li> <Li> London sewerage system </Li> <Li> First Transcontinental Railroad </Li> <Li> Panama Canal </Li> <Li> Hoover Dam </Li> </Ul> <Li> SS Great Eastern </Li> <Li> Bell Rock Lighthouse </Li>

Who decides the 7 wonders of the world