You can share limited photos i.e 500 photos or videos at once in Dropbox Carousel. If you want to share more photos or videos, then you can add your photos in a Shared Folder within Dropbox. Dropbox allows you to create a Shared Folder to share your photos and videos with other people in the world. You can invite people to share your folder. The people you invite will receive an email to view and join the shared folder.