Ключевые слова: ancient, architecture, asia, astronomy, brick, building, calculation, calendar, city, clock, cultural, delhi, grass, green, historical, india, instrument, jantar mantar, journey, landmark, masonry, measurement, medieval, medow, moon, movement, new delhi, observatory, old, outdoors, panorama, planet, science, shadow, stairs, star, sun, technology, time, tourism, tower, travel, trip, uttar pradesh,