Because I’ve worked a lot on the anatomy and evolution of air-filled bones in sauropod dinosaurs, I’ve spent most of my career looking at images like this: {.wp-image-17072 .size-large aria-describedby=“caption-attachment-17072” loading=“lazy” attachment-id=“17072” permalink=“http://svpow.com/2020/01/28/natures-ct-machine/apatosaurus-cervical-ct-wedel-2003b-fig-5/”