4K HD Wallpaper: Aircraft from LA Airshow
Nahtan Jackson took this photography and from his courtesy the image is available free under CC0 license. Check at full size and if you like download from here optimized for use in desktop backgrounds, webdesign projects, blogs, social media, apps...
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)