image The United Nations World Tourism Organisation (UNWTO) has revealed that world tourism rebounded strongly this year from the global financial crisis, led by Asia and the Middle East.

But the Madrid-based body also urged caution, noting that some major developed nations have not yet fully emerged from the economic doldrums.

International tourist arrivals totaled 421 million in the first six months of 2010, up 7.0 percent on last year but still 2.0 percent below the record y…