I was wrong, there is a stub
http://en.wikipedia.org/wiki/Durr%C3%ABs_Amphitheatre
I went ahead and created https://commons.wikimedia.org/wiki/Commons:Wiki_Loves_Monuments_2013/7_Most_Endangered_Monuments to keep track. I added these linksThe "Neighbourhood of El Cabanyal-Canyamelar in Valencia, Spain" is avalaible in Catalan and Spanish at https://es.wikipedia.org/wiki/Caba%C3%B1al-Ca%C3%B1amelar