CNN unveils friendliest and unfriendliest cities list . Detroit cities dominate least-friendlies chart . Travelers feel most welcomed in Detroit 's island city of Detroit . Brazil called `` armpit of the world ''
Conde Nast Traveler unveils friendliest and unfriendliest cities list . U.S. cities dominate least-friendlies chart . Travelers feel most welcomed in Brazil 's island city of Florianopolis . Detroit called `` armpit of the world ''