Futuristic 2G core network architecture, sleek metallic structure, intricate circuitry patterns, glowing blue LED lights, transparent glass panels, steel beams, high-tech machinery, wires and cables organized in a complex yet harmonious manner, dimly lit background with subtle gradient effects, shallow depth of field, 3/4 composition, symmetrical framing, futuristic ambiance, neon-lit cityscape at dusk, rain-soaked pavement reflecting the tower's lights.