Experiment

y de regalo:

Four ways Europe’s big immigration experiment has changed Spain

como dijo alguien: los experimentos, con gaseosa..

pues eso (docenas de comentarios):

Spain's experiment in large-scale immigration has huge consequences.

In less than a quarter of a century, its foreign-born population has gone from one in 20 residents to almost one in five (19.3%), a higher proportion than even the US (15%).https://t.co/SXBwovwFem

— Barney Jopson (@barneyjopson) May 7, 2026