Complex sentence: The Burj Qatar is designed so that the interior space is maximized, and achieved by providing diagrid columns of reinforced concrete set in the shape of a cross, which has facilitated elimination of any central core.
Split into simpler sentences: The Burj Qatar is designed so that the interior space is maximized. This is achieved by providing diagrid columns of reinforced concrete set in the shape of a cross, which has facilitated elimination of any central core.