Now playing Next Next Series Building for the future with self-repairing concrete Bridges, tunnels and other civil engineering structures could become safer thanks to self-repairing being developed as part of a European research 30/03/2015
Now playing Next Spain Spain’s ghost airport set for first flights - four years after it ‘opened’ 12/03/2015
Now playing Next USA Time-lapse video of One World Trade Center being built - US marks 9/11 anniversary 12/09/2013