He has shared our lives for 20,000 years. Along the way, he has helped us find food, kept our livestock, protected us from our enemies, guided us in extreme conditions, and saved us from peril. Now, he comforts us, relieving loneliness and helping us cope with old age. How did dogs come about?
《人类第一个朋友》是一部“纪录片”类型的纪录片，该片/剧目前在本站共有 1 条播放线路，由 1 家资源方提供。喜欢全年影视请分享给身边的亲人和朋友，全年影视包揽你一整年的视听盛宴！
