The city’s mayor-elect, Ada Colau Ballano, is looking at ways to stop the influx of visitors because, she thinks, it is in danger of becoming overrun and turning into little more than a theme park.   Nobody goes there any more, it’s too crowded THAT Barcelona is one of the great cities on Earth is something on which most people can agree. The architecture, the fiestas, the food—it is a city with vibrancy… economist.com