Imagine a historical reenactment where ancient warriors from different civilizations come to life as larger-than-life street art murals, battling it out in a modern urban setting. The clash of historical authenticity and contemporary creativity creates a visual spectacle unlike anything seen before. Capture this unique fusion of past and present in a single image.

Depict an urban setting where contemporary street art brings history to life. The street art should portray ancient warriors of different civilizations coming to life and engaging in a fierce, theatrical battle. These warriors can belong to different descents such as Celtic, Mayan, Egyptian, and Japanese, distributing equal representation. The modern cityscape, adorned with graffiti, skyscrapers, and traffic lights forms a stark contrast against the old-world warriors. Highlight the unexpected fusion between the street art's historical authenticity and the surrounding modern architectural elements, creating a visually striking juxtaposition of past and present.