Why this Spanish town has recorded no coronavirus cases?

Spain'sfortresstownZahara de la Sierrain southern Spain is has not recorded any COVID-19 cases when the countryhas the world's second-highest death toll after Italy with the virus.

The islandcut itself off from the outside world on March 14, as coronavirusoutbreak was wreaking havoc across Spain.

The town is a popular tourist destination because of its rich history. The Moors and Christians fought over it in medieval times, and it was sacked by the French in 1812.

However, itprohibited French and German tourists from their territory. It's mayor, Santiago Galvan, decided to block all but one of the town's five entrances.

The 40-year-old acted the day that Spain's "state of alarm" came into force.Since then, the country has recorded more than 100,000 cases and 10,000 deaths, according figures released by Johns Hopkins University.

The town which has a formidable location over the Andalusian countryside, has a population of1,400 people.

The mayor's drastic steps have the full support of the townspeople, and especially the elderly.

Nearly a quarter of the town'sinhabitants are older than 65 andthere are more than 30 residents in an old people's home. Towns and villages nearby have seen infections and several coronavirus fatalities.

"It has been more than two weeks, and I think that's a good sign," Galvan said.