Appendix

Appendix
00 The Citadell
The Castle of the Three Dragons. (Wikipedia)

01 Wellington Street
The last ones of Wellington street (article in spanish by "El País")
The city of Marvels (book by Eduardo Mendoza)
Rails y ferradures (blog in spanish about tram history, with lots of details of BCN)

02 SuperSymetry
One year on from the Higgs boson find, has physics hit the buffers? (article appeared in The Guardian, science)