Jaipur (Rajasthan; Northwest India);Jantar Mantar(Observatory; built 1728-34 under Maharaja Jai Singh II; 1699-1743; since 2010 UNESCO World Heritage Site);Narivalaya Yantra (double sundial; the summer dial pointing to the north pole for when the sun is in the northern hemisphere; the winter dial pointing to the south pole pole for when the sun is in the southern hemisphere).A pandit (scholar) in front of the winter dial.Photo; March 1985.