New York City and Los Angeles Compared
https://www.youtube.com/watch?v=BwQPqpmiD88
London and Paris Compared
https://www.youtube.com/watch?v=-Gts0T8bSh4
Tokyo and Seoul Compared
https://www.youtube.com/watch?v=MPn0NNJeDaE
São Paulo and Rio de Janeiro Compared
https://www.youtube.com/watch?v=IWx3ZqvGd1I
Hong Kong and Macau Compared
https://www.youtube.com/watch?v=5a633O5oODk
Sydney and Melbourne Compared
https://www.youtube.com/watch?v=ea14oVK8XLw