Here's a detailed description of the video: The video shows a medium-sized, long-haired dog standing on a concrete surface

Here's a detailed description of the video: The video shows a medium-sized, long-haired dog standing on a concrete surface. The dog has a grey, black, and tan coat and is wearing a brown collar with a silver chain leash attached. The leash appears to be secured to something off-screen. The dog's tongue is hanging out of its mouth. The dog shakes its head once. The background includes a weathered, green-painted wall, a rusty piece of metal leaning against the wall, and a concrete structure. The scene appears to be in an outdoor, possibly backyard, setting.