4K HD Wallpaper: Seoul Landscape at Night
What an urban view in this 4K picture, which is also completely free under CC0 license from Yoo's courtesy and optimized here for use on desktop backgrounds, homescreen phones, blog articles, templates, apps...
Widescreen Desktop / Macbook: 2560x1600 (fits on: 1920x1200, 1680x1050, 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)