4K HD Wallpaper: Hot Air Balloon Flight
Wonderful 4K photography taken by Austin Ban and available from his courtesy completely free under CC0 license and optimized here for use in non-commercial (desktop backgrounds, homescreen phones) and commercial (blog articles, templates, apps...) projects.
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x1536 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)
Camera: Canon EOS 60D | Lens: EF24-70mm f/2.8L USM | Taken: July 17, 2014
Settings: Exposure time: 1/1600 | Focal Length: 15.0 mm | Aperture: f/2.8 | ISO / Flash: 100 / OFF