How to find your all your Photos in iOS 8
 

Following the iOS 8 update, many users were confused after they found that the Camera Roll in the Photos app had disappeared, and had instead been replaced by a Recently Added Photos album.

The Recently Added Photos album contained just photos taken in the past 30 days, leading many to incorrectly believe that they had lost all the other photos from their device.

http://www.iphonehacks.com/2014/09/c...oll-ios-8.html