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The worldwide use of means of communication such as the telephone, television, and internet is still growing rapidly. Cable companies and telecom providers are working hard to connect everyone to their networks, including people living in remote villages in the countryside. Please Hold the Line follows telecom engineers in a number of Eastern European countries during their vis...。影片以改革先锋、国家荣誉称号获得者、2019感动中国人物、第三任敦煌研究院院长现敦煌研究院名誉院长樊锦诗坚守大漠半个多世纪的人生故事为主要内容，记叙、纪录敦煌研究院有代表性的老中青三代人的人生故事，旨在回溯敦煌研究院建院以来几代敦煌人对莫高窟的保护、研究、传承的经历。。