中国三线厂的大喇叭 A broadcast from Chinese SanXian military factories

中国三线厂清晨的大喇叭，节选自中国山西541总厂- 6分指
In the morning，the bugle at the beginning ，am6：30，people are getting up；the bugle at the end，am8：00，the children go to school，people go to work。