Los 10 mejores edificios de hormigón (via @ingenieriared)

http://www.theguardian.com/artanddesign/2016/jan/08/10-best-concrete-buildings-architecture-pantheon-gaudi-corbusier

possibly by Apollodorus of Damascus, c126 AD possibly by Apollodorus of Damascus, c126 AD The ancient Romans didn't have reinforced concrete (that is, strengthened with steel) but they had concrete, and used it to such heart-stopping effect on the Pantheon that no one has really been able to match it since.