Tattoo Artwork by Elvin Yong at Elvin Tattoo in Singapore:
I to the world am like a drop of water That in the ocean seeks another drop, Who, falling there to find his fellow forth, Unseen, inquisitive, confounds himself. ~ William Shakespeare, The Comedy of Errors (1.2.36)
There may be some marbling from the black in the bath and the white paint...
The Rain Dance! & Weekly Wisdom
Realistic Underwater Paintings by Eric Zener - Quora
Beneath the Surface: Sublime Underwater Portraits by Samantha French