Machu Picchu: 100 Years Since Its Rediscovery

Machu Picchu
Notimex / Newscom

Intihuatana Stone
This ritual stone, believed to have been designed as an astronomic clock or calendar, is arranged to point directly at the sun during the winter solstice. The Inca believed that the stone held the sun in its place along its annual path in the sky.

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