It's snowing. Why is there no snow on the dog? What is this swelling?

As shown in the picture: It's snowing. Why is there no snow on the dog? What is this swelling?

Dogs, actually? Very enthusiastic. Unlike people, dogs exhale hot air with their tongues. If it is winter, especially snowy weather, snow dogs rarely breathe out hot air, so their bodies are like fire, which can melt blood and snow.