4K HD Wallpaper: Happy Golden Retriever Face

The golden retrievers are one of the most photographed dogs and here is one of the beautiful pictures with one of them. Here's optimized for use in desktop backgrounds and homescreen phones, but the image is free under CC0 license and can be used in blog articles about dogs, web design projects, social media....

Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)

Photographer: Marcin Milewski from Warsaw, Poland | TookAPic Portfolio
License: Public Domain CC0.
Dear visitors, if you upload the image elsewhere, it would be nice to mention the photographer and the source.
Thank you!