In order to see the entire list of pictures, videos and media you or other users have created, you simply go on your profile (or someone else profile) and click on the little blue arrow next to the Media section title. There you will access all your content. 

You can aslo swipe left on the different pictures and videos you have uploaded directly on your profile and after passing a specific number of them, you will directly access the see all page for media. 

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