Barcelona, like many of these places, also faces another problem. While mass tourism might be putting a strain on the city, it’s also vital to its existence, providing jobs and income.

Barcelona, like many of these places, also faces another problem. While mass tourism might be putting a strain on the city, it’s also vital to its existence, providing jobs and income.

Barcelona, like many of these places, also faces another problem. While mass tourism might be putting a strain on the city, it’s also vital to its existence, providing jobs and income. Tourism is now ...

Barcelona, like many of these places, also faces another problem. While mass tourism might be putting a strain on the city, it’s also vital to its existence, providing jobs and income.

By 2004, Barcelona, a city of 1.5 million residents, received 4.5 million tourists who stayed overnight. The airport soon added a third runway and a new terminal.