Not so long ago, the travel industry's biggest emerging problem was overtourism, especially in top vacation hot spots in Southeast Asia and Europe, where local resentment of visitor hordes was approaching boiling point.
Collapse in visitor demand highlights over-reliance on Chinese visitors

Travelers wear masks at an airport in Bangkok in January. The Thai government is bracing for the impact of mass cancellations of Chinese group tours. (Photo by Akira Kodaka)
Not so long ago, the travel industry's biggest emerging problem was overtourism, especially in top vacation hot spots in Southeast Asia and Europe, where local resentment of visitor hordes was approaching boiling point.