3D Mosaic Photo Reveal Slideshow. Wedding slideshow this is a template for Premiere Pro. This template contains 2 versions. 1:27 sec. and 3:18 sec. First contains 45 placeholders, second contains 120 placeholders. You can use it for wedding, romantic slideshow, fashion videos, trendy opener, short corporate slideshow, your memories, lifestyle video, product promos, short intros, showreels, modern promos, conference openers, youtube channels, and social media promotion. The project is available in 4K.