What is arch pic snapchat?

As an AI language model, I do not have information about particular Snapchat accounts or users. However, I can provide general information about Snapchat and its features.

Snapchat is a social media platform that allows users to share photos, videos, and messages with their friends. One of its main features is that the content shared on Snapchat disappears after a certain period of time, and users can also add filters, lenses, and stickers to their snaps.

Arch pic Snapchat could refer to a Snapchat account that shares pictures of arches, which can be natural arches or man-made, such as architectural arches. However, there is no specific information about such an account, as there could be multiple accounts with the same or similar name.