What is this thing?

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[Solved] Anyone know what this is? They are embedded in the sidewalks around the city (programming.dev)

submitted 1 week ago* (last edited 1 week ago) by catch22@programming.dev to c/whatisthisthing@lemmy.world

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Any ideas?

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[–] PapaStevesy@lemmy.world 61 points 1 week ago (1 children)

They hold the sidewalk down, don't pick it up or the whole block could blow away.

[–] unknowing8343@discuss.tchncs.de 19 points 1 week ago

Yep, these are the measures that keep the underworld locked for the rich and I am tired of pretending it's not.