Expo Radio Episode 11: Jantar Marntar In this Expo Radio we travel to New Delhi, India, and visit the site of Jantar Marntar. This ancient and mysterious looking structure was constructed centuries ago to serve as an observatory and as one of India's first clocks. Recorded on location and hosted by Deb Roy. .au (4 Mb), .gsm (850 Kb), .ra (500 Kb) For help on audio formats, press here. Expo Radio is a production of Becknell and Lucas, the team that's helped to bring Deb Roy's globe trotting DAT recordings to your computer in such programs as The Tibetan Institute for the Performing Arts and Musicians of Calcutta.