For over a decade, the father-son artisan duo Katuri Venkateswara Rao and Ravichandra from the "Surya Silpa Sala" studio in the state of Andhra Pradesh have been making statues from discarded scrap iron. Their artwork includes statutes of Indian politicians Mahatma Gandhi, B.R. Ambedkar, Indira Gandhi, Rajiv Gandhi, M Karunanidhi, and many others.