Behind bars: a visit to an imprisoned Catalan politician

Mas d'Enric prison, near Tarragona in Catalonia, does not look like an ugly place - for external visitors like us.

You might even think that it is a nice-looking building if you didn't know it was a prison.

We walk along a glass corridor and a patio with well-kept olive trees before reaching a large room with glass walls, furnished with tables and sofas.

The glass w...