"The World Without Us" https://www.amazon.com/World-Without-Us-Alan-Weisman-ebook/dp/B000U20486/ref=sr_1_1 https://www.amazon.com/World-Without-Us-Alan-Weisman

"The World Without Us" https://www.amazon.com/World-Without-Us-Alan-Weisman-ebook/dp/B000U20486/ref=sr_1_1 https://www.amazon.com/World-Without-Us-Alan-Weisman-ebook/d... A very detailed look at how long things last.