large, brown, onion-shaped structure located in the middle of a roundabout

large, brown, onion-shaped structure located in the middle of a roundabout. The structure is illuminated with internal lights, and there are smaller lights around its base. The sky is overcast. Motorbikes and cars pass by on the road around the roundabout. The scene appears to be at dusk or early evening. The word "SIGLI" is visible on a sign nearby.