Create a street art masterpiece that combines surreal abstract shapes and vibrant colors, transforming a mundane urban wall into a psychedelic portal to another dimension. Let your imagination run wild as you blend geometric patterns with flowing organic forms, creating a visual feast for the eyes that challenges perceptions of reality and invites viewers to contemplate the mysteries of the universe.

Generate a stunning piece of street art presenting an interplay of surreal abstract shapes and vibrant colors. Imagine adhering this piece to an ordinary urban wall, morphing it into a psychedelic gateway to an alternate realm. Take liberty in mingling geometric patterns with fluid organic shapes, producing an aesthetic spectacle that defies common notion of reality and prompts onlookers to ponder over the enigmas of cosmos.