人类的第一个朋友2018年01月01日上映,在CCTV-15音乐 等视频平台播放更新。敬请观看!
简介: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?