Do you know what this is?

Universidad Nacional Autónoma de México

¡Guess! These are all over Mexico. Click photo to find out.

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3 Responses to “Do you know what this is?”

  1. Michael Says:

    “Meet Here” markers?

  2. Aesthesiak Says:

    manhole, emergency shelter??

  3. mag Says:

    that’s where people are supposed to meet when there’s an emergency

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