english: On at least one, and maybe only one of those planets, primitive life evolved, which evolved over millions of years into things that walked upright and left footprints about three and a half million years ago in the mud flats of Tanzania, and eventually left a footprint on another world.
non_english: Vsaj na enem planetu, morda celo edinem, se je razvilo preprosto življenje, ki se je v milijonih let razvilo v pokonci hodeča bitja, ki so pred 3,5 milijona let pustila odtise v blatnih ravnicah Tanzanije in končno pustila sledi tudi na drugem svetu.