Christoph Pehofer took a nine-month journey through North America and Asia. Staying in hostels was a rare alternative. What he did instead was sleeping in complete strangers' living rooms - Couchsurfing is the concept behind this. The world seems to separate people more than connecting them. A private couch shows a place of approach and strangers becoming friends. Therefore, th...。节目以外籍体验嘉宾的独特视角,围绕中国在科技创新、环境保护、农业科学、天文科学、援外医疗等领域,聚焦默默奋斗在这些领域的中国人,探寻这其中独特的中国故事。。