Architecture culture has changed, but challenges facing the 21st century city cannot be addressed by architects alone.
![In Caracas, Venezuela, the architecture practice Urban-Think Tank lobbied the Chavez government into building a cable car up to the hillside barrio of San Agustin [AFP/Getty Images]](/wp-content/uploads/2014/10/2014101115555808580_20.jpeg?resize=270%2C180&quality=80)

Justin McGuirk is a writer, critic and curator based in London.
Architecture culture has changed, but challenges facing the 21st century city cannot be addressed by architects alone.
![In Caracas, Venezuela, the architecture practice Urban-Think Tank lobbied the Chavez government into building a cable car up to the hillside barrio of San Agustin [AFP/Getty Images]](/wp-content/uploads/2014/10/2014101115555808580_20.jpeg?resize=270%2C180&quality=80)