Buzz·Posted on Jul 2, 201421 Powerful Photos That Actually Blend Two Time Periods TogetherA new app lets you make historical collages using vintage and modern photographs.by Julia PugachevskyBuzzFeed StaffLinkFacebookPinterestTwitterMail All of these photos were made via the app Timera, which lets users stitch together two photos for a before-and-after effect. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21.