Jantar Mantar, Jaipur
Jantar Mantar at Jaipur is an observatory with architectural instruments for astronomical measurements and observations. Jantar comes from the word Yantra, which means an instrument. Mantar means formulae or calculations. So Jantar Mantar effectively means instruments and underlying formulae and calculations. Jantar Mantar at Jaipur is a UNESCO World Heritage Site. Jantar Mantar was built…