This article from the Daily Grail looks at how quickly the footprints of humanity would disappear if mankind were to be gone, or extinct.IF MAN were to vanish from the face of the Earth today, his footprint on the planet would linger for the mere blink of an eye in geological terms.
Within hours, nature would begin to eradicate its impact. In 50,000 years all that would remain would be archaeological traces. Only radioactive materials and a few man-made chemical contaminants would last longer — an invisible legacy.
Click the link at the bottom to see graphic.
Makes me wonder how dim the view of our own past is.