I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.
I'd check on XDA Forums in the Huawei y6 subforum. It depends on what's in it. It may be your backup folder, or it may be your offline connection to your cloud backup. (Or it may be something entirely different. There's no "sacredness" to folder names - any app can name a folder anything, even if it confuses users. A music recording app can name its folder "Pictures".)