Img4 (Windows 10)

img4, known as img3 in Windows 10 Insider Preview builds 10154 to 10158, is a wallpaper included in Windows 10 and its server counterparts. It was taken by Chad Copeland on September 12, 2014. It depicts a camp on a starry night at Mount Rainier, Washington, United States.

Other versions
A panoramic version intended for dual display setups named img13, is also included in Windows 10. It crops part of the top but features slightly more space to the left and right of the image. A portrait version of the wallpaper also appears in Windows 10 Mobile.