A detailed sketch of huge machinery, featuring a metal casing with a drill bit, grab bucket, track, and cable details. The scene includes a hydraulic rod, robotic arm, boom, and crane. Drawn in a pen and sketchbook with gray, brown, and dark green watercolor and ink, showcasing appropriate sketching pen touches and texture. The light gray colored earth contrasts with the solid, vibrant background. Behind the building, AIGC SKETCH is graffitied in bold letters, sprayed with a thick coat of black paint.
