Yama, using his characteristic geometric style, proposed on the facade of the Theater the 2 masks typical of theater and painting in beige and blue, which represent respectively the thermal mud and the thermal water.
This work was realized for the Biennale street art "Superwalls" (June 2019).

For the biennial murals, the artists used paints that, activated by light, purify the air purifying it from pollutants.