Task: It seems to lack something in the first photo of My Favorite Trip folder, so I want to edit this photo and apply a vivid filter to it, because after applying this filter the image will become attractive. 
Steps:
Click on the first photo of My Favorite Trip folder to view the edit option
Click on the Edit tab at the bottom of the screen to edit this photo
Click on the Vivid filter to apply this filter on this photo
Click on the Save copy button at the bottom right corner of the screen to save this edited photo.