Weisman presented an optimistic view of what a world without humans would look like. 書中,韋斯曼對一個沒有人類的世界抱以樂觀的預言。
Weisman is very good at describing the decay of man-made artefacts, from your own home to the underground system of New York. 韋斯曼非常擅長描述人工製品的逐漸衰敗,如從你自己的家到紐約的地下系統。