Talk to impa and follow her instructions to complete the quest. The dragon's tears will appear as small, glowing puddles hidden within the lines of a geoglyph. You'll want to encounter these tears in the order above, the geoglyphs are laid out in areas that match up with the intended order of the regional phenomena quest. Talking with purah after.
Celina Smith's Triumph: Overcoming The Video Leak Scandal
Jessica Kinley: Photos That Will Make You Think
The Unexpected Fallout: The Camilla Araujo OnlyFans Leak