The Retrace of the Path of Qian Xuesen Northwest Environmental and Technological Summer Camp
绿色光年 2018-04-30T12:25:39+00:00Organized by GREEN-LIGHT-YEAR and the Qian Xuesen Library, " The Retrace of the Path of Qian Xuesen " Northwest Environmental and Technological Summer Camp is a summer camp of special significance. Passing through Lanzhou, Dunhuang, Jiayuguan, Jiuquan and Baotou, visiting Crescent Springs, [...]