PLA Daily 2004-12-14 　　 　　Recently, the Armed Police Tianjing Contingent organized group training for 450 recruit-training backbones so as to lay a solid foundation for boosting the training quality of recruits. In the picture, recruit-training backbones are having drills on various high-altitude adaptation training facilities. 　　By Zhao Hongzhi 　　(Dec. 14, PLA Daily)