The individual cars of the trains are air conditioned and have music playing, as well as music playing in the stations.
The routes are color coded and numbered, and the maps are clear.
It's very easy to navigate the subway system!
Here I am in front of one of the many statues found throughout the city, this one in the Gothic quarter.
And here I am with another statue, this one in the Spanish Village (which incidentally is an enclave of several buildings, built for the sole purpose of entertaining tourists----it looks like people could live and work there, but it closes up shop so-to-speak, at the end of the day).