H1: Episode 1, Part 2: Geoglyphs as Astronomical Instruments: Analysing the Solstice Azimuth Data H2: 1. Field Exploration: A Desert Canvas Mapped with Stars I am currently standing in the heart of the Nazca Plains, at 14.73°S and 75.14°W. Having covered the geological preservation principles in the first part, it’s now time to verify the ‘astronomical design’ encoded within these lines. ..