God is in the details, the saying goes. If being detailed is a way to achieve a closer relationship with God then artist and architect Antoni Gaudí must be in heaven. La Sagrada Familia is one of my favorite buildings. I love Gaudi's work full of curves and one of a kind mosaic details. In this behind-the-scenes report by Lara Logan we see how modern technology is helping achieve Gaudí's ahead-of-its-time vision.