Photo, video & reporting by shuran huang, ARIN YOON and CELESTE NOCHE For the washington post

Photography by mAGGIE SHANNON for the washington post; Video by lee powell/the washington post

Photography and reporting by shuran huang for the washington post

Photography by LINNEA BULLION for the washington post

Photography by emad nassar for the washington post and wire agencies

Photography by Jacob Biba for the washington post

Photo illustration by LINNEA BULLION for the washington post

Photography by Sarah pulcino & carolyn fong for the washington post

IMAGES WERE OBTAINED THROUGH A CALLOUT FOR UNDERWATER PHOTOGRAPHY IN A FACEBOOK GROUP CALLED “GIRLS THAT SCUBA”