Castro Mello Architects designed National Stadium Brasilia by using AutoCAD 2013. About US$ 400 million Stadium, 70,000 seats (2nd largest of the World Cup, behing Maracana only), costs may go higher and the National Stadium the most expensive venue of the World Cup 2014. The Government of Brasilia, owner of the Stadium, plans to have it ready by December 2012, in time for the Stadium to host matches of the Confederations Cup 2013.