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 e…
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 nditions, and saved us from peril. Now, he forts us, relieving loneliness and helping us pe with old age. How did dogs e about?