Petro Aesthetics (ilya slak): A Pioneer of Geometric Graffiti Petro Aesthetics, also known as ilya slak, emerged from Zhukovsky near Moscow in 1984 and quickly established himself as a prominent figure within the vibrant Russian street art movement. More than just applying paint to walls; he embodies a deliberate aesthetic exploration rooted in constructivism and suprematism—influences that profoundly shaped his distinctive visual lan…