One of the cheeriest genres of YouTube video compilations is that of dogs greeting soldiers returning home.
원문출처 : http://www.cnn.com/2016/10/22/opinions/power-of-a-dogs-smell-horowitz/index.html
원문출처 : http://www.cnn.com/2016/10/22/opinions/power-of-a-dogs-smell-horowitz/index.html