These aren’t glyphs. A glyph is a visual symbol used to represent a character, sound, or idea in writing.

There are other meanings that don't require the carving to be a form of writing: https://en.wiktionary.org/wiki/geoglyph

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aa-jv 6 hours ago | parent | prev | next [-]

They're geoglyphs, which are symbols encoded in the earth.

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iforgetti 2 hours ago | parent [-]

Idk why this is getting down voted, the article identifies them as geoglyphs in the second paragraph.

	▲	alephnerd an hour ago \| parent [-]
		Because of misplaced pedantry by a couple ESLs. I've noticed that Europeans users now comment at a higher frequency on HN than American users now, and set the tone of the site because of timezones.

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applicative 4 hours ago | parent | prev | next [-]

The proper glyph concept pertains to something cut into something or out of something as background; it is essentially of a 3-d phenomenon and makes no sense apart from it; the concept has nothing whatever to do with writing, which is almost never like that. A piece of lead type is indeed a glyph, and this is how you use it to print, but the printed text has no glyphs.

	▲	adrian_b 28 minutes ago \| parent [-]
		"Glyph" comes indeed from sculpting, so it was originally applied only to inscriptions carved in some durable material, like stone, wood or metal. Nonetheless, nowadays it is a word commonly used when discussing typefaces (i.e. fonts), to designate the shape of a character, as opposed to its meaning. The same character, e.g. the Latin letter "A", can have various glyphs in different typefaces. Before digital typography, the letters of a typeface were carved in metal by the typeface designer, so the term glyph was appropriate at that time. Nowadays, it has persisted when used for typefaces drawn on computers, like other typographic terms, e.g. "font" referred to the process of casting molten metal into letter-shaped moulds. In TFA the word glyph, actually geoglyph, is used in its original sense, not in the typographic sense, as it refers to geometric figures obtained by earth-working, so they are indeed in 3D, sculpted in earth.

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ranger_danger 2 hours ago | parent | prev [-]

How do you know this doesn't represent a character, sound, or idea? 2,500 years is a long time ago.