Create an image of a futuristic cityscape filled with vibrant street art murals depicting advanced technology and otherworldly landscapes blending seamlessly into the urban environment.

Picture a cityscape of tomorrow with its high-tech buildings of glass and steel. Among the skyscrapers and busy avenues, spread a generous amount of vibrant street art murals. These art pieces brilliantly depict advanced technology such as nanobots, space elevators and AI cities. But the murals also venture into more imaginative realms with otherworldly landscapes consisting of floating islands, bioluminescent forests and constellations that blend seamlessly into the cemented environment of the metropolis.