The first cities - Sumer, Indus Valley, markets, crafts, strong walls; Ancient Egypt - Thebes, Cities for the dead, Mummies, Gods and goddesses; Greek City-states - Athens, Sparts, The Acropolis, sports, democracy, war; Imperial Rome - The eternal city, Palatine Hill, Romulus and Remus, emperors; Viking Hedeby - early trading port, goods from the Far East, viking raids, slave trade; early America - Mesa Verde, canyons, Mayas, Aztecs, Incas, cliff-dwellings; Cordoba - the Mihrab, religious freedom, Great Mosque; Paris - Notre Dame, Lent Fair, gothic style; Venice and Kaifeng - Marco Polo, St Mark;s Cathedral, international trade, silk, porcelain; Florence - the Renaissance, Donatello's David, Florence Cathedral; Nuremberg - printing, the Gutenberg Bible, coins, first world globe; Constantinople - Ottoman Empire, Hagia Sophia; Amsterdam - Dutch East India company, townhouses, fires; Vienna - theatre, opera, Palace of Schonbrunn, craft workers; St Petersburg - Winter Palace, Peterhof, Tsar Peter the Great; Paris - the Revolution, Napoleon, Boulevards, Arc de Triomphe; New York grows - Manhattan, Fort Amsterdam, St Paul's church, first skyscrapers; industrial cities - Pittsburgh, Leeds, steelworks, factories, pollution; London expands - 19th-century wealth, Houses of Parliament, spacious new houses; London works - the Undergraound, Covent Garden, soup kitchens, London smog; out of town - Metroland, rich suburbs, slums, shanty towns; inner city - traffic jams, Cardboard cities, high-rise flats, the Walled City; cityscapes - Paris, controversial architecture, Sydney Opera House; future cities - underwater cities, solar-powered minibuses, extraterrestrial cities; timeline.