The illuminated panels that adorn the streets during Durga Puja originate in the erstwhile French colony of Chandannagar. The people working in the lights industry here spend a large chunk of the year creating extravagant shows for major festivals. They spend weeks stringing together multi-coloured bulbs on wires to create moving images of animals, flowers, people, vehicles, and even fire-spitting dragons. Sometimes the final product is a commentary on current affairs, or a reflection of pop culture (think Bahubali, Harry Potter or even portraits of Nobel prizewinners). They have even showcased messages on HIV/AIDS awareness.