Book excerpt: Annotation Do you really know what's under that new house you just bought? How about what's underneath the neighbourhood playground? Was the big-box retailer down the street built atop a toxic site?These are just a few of the worrisome scenarios as our cities begin a stealthy relocation of industrial facilities from the inner city to the urban periphery. These are the places Alan Berger has coined "drosscapes," and this is his guide to the previously ignored field of waste landscapes.