You have memories and words to express.make a good content writing that will helps other without photos and video just put few or make a source and credit them
Pen down all ur memories and experience.. Name the places and u may mention no pics available.. Incase if v both have traveled to same places.. I can share u the pics that I have clicked and u may post it for ur blogs
Very difficult to get trip approved without your snapped photo,though try writing good content,take photo from web.
may your content may superseed the photo and it get approval.