DNA. This is straying a little bit from your question but there is a picture of earth from far away. This wasn't the original but the same sentiment applies.

https://dottech.org/118334/stunning-photo-of-earth-snapped-from-900-million-miles-away-by-nasa-spacecraft-amazing-photo-of-the-day/

On that speck of blue a billion miles away, every person ever born has lived and died, be he a king or a pauper. The almost 8 billion alive today and the billions who have gone before. Life probably exists elsewhere in the vastness of the universe but they will certainly look nothing like us. Us people of the planet Earth.