From the perspective of a migrant worker, the definition of best city usual translates to the accessibility of services (location of labor offices, cultural ties from home country, consulates and embassies and welfare organization), availability of public infrastructure and...
While many countries compete to get the attention of travelers to pay them a visit, Saudi Arabia's Mecca and Medina takes the opposite end of the spectrum and forbids entry of non-Muslims.
Many theories, some of which can easily be classified as...