Did You Know?
A Resort City Chosen by Computer
In 1970 Cancún was a sandbar with around three residents and a fishing village of a few hundred nearby. The Mexican government had run a computer analysis to find the ideal spot for a purpose-built tourism zone, and this stretch of Caribbean coast won.
It now receives millions of visitors a year, making it one of the most-visited destinations in the Americas — a city that exists because a model said it should.
The clock: Cancún moved to UTC−5 permanently in 2015, breaking from the rest of the Yucatán to give its beaches an extra hour of evening light — and, in winter, to line its clocks up with the eastern United States its flights come from.