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The comic shows a cross-section of Earth's crust with tectonic plates. One plate is being subducted under another. A giant mechanical anchor screw with a wing nut is drawn through the subduction zone, as if it's holding the tectonic plates in place. Caption at the bottom: "Good news: Geophysicists are finally installing Earth's required anti-subduction anchor screws." Hidden text: "The biggest expense was installing the mantle ducts to keep the carbonate-silicate cycle operating."