A line of security officers formed a human wall, as they tried to contain protesting parents in Mianzhu on Sunday. In grief, parents have overcome their usual caution about confronting Communist Party officials. Many parents say they have been especially upset that their schools have crumbled into rubble even though government offices and more elite schools not far away survived the quake largely intactA line of security officers formed a human wall, as they tried to contain protesting parents in Mianzhu on Sunday. In grief, parents have overcome their usual caution about confronting Communist Party officials. Many parents say they have been especially upset that their schools have crumbled into rubble even though government offices and more elite schools not far away survived the quake largely intact