Perhaps some may have know about the traditional Turkish painting technique of Ebru (also known as paper marbling in other cultures).

Or Suminagashi paintings, the ancient Japanese technique of painting on water to create marbleized effects on paper.
Last year, one of the Chinese artist from Shandong province, China, has created his own style of water paintings. He is no other than Huang ZhuLin, 黄珠琳.

Creating images with the use of colored ink as medium and flat-lying water as the ‘painting board’.

Below sharing two of his featured paintings.