Mysteria
Observatory Cave with zenith shaft
observatory · Verified18.8042° N · 99.2945° W

Observatory Cave with zenith shaft

A structure at Xochicalco – Pyramid of Quetzalcoatl · 🇲🇽 Mexico

Logue 0019 · CC BY-SA 4.0

The structure

About Observatory Cave with zenith shaft

Cave observatory 8.5 m light tube for zenith/equinox

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