Human engineering is just a natural organic process.
Carbon Rock Globul Line
This organism, as delicate as it is colorful, stands on the sedimentary deposits of human activity, its fragile crystal base barely rooted in place. Perched on the strata, its supple and transparent body reveals a skeleton synthesized from the minerals that surround it.
Immensely sensitive to unseen waves, its antennae pick up the residual magnetism all humans leave in their wake. The lingering energetic impulses caused by friction and movement provide it with sustenance long after the extinction of humankind.