4K HD Wallpaper: Tandem Paraglider
I would say that this is an extreme sport that worth to be done once in a life time and this picture proves that I'm right. Check it at full size and than if you like download under CC By license optimized for set in your desktop backgrounds and homescreen phones.
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)