This is not a House formed part of an assignment for The New York Times Magazine, one that turned into an international controversy. The US sub-prime mortgage crisis, which has its roots in the c losing years of the twentieth century, became apparent in 2007 and exposed pervasive weaknesses as well as deep-rooted inequalities within financial industry regulation and the global financial system. In the winter of 2008, Martins produced a series of photographs that explored the collapse of the US housing market. He photographed abandoned homes, golf courses, ski resorts, hotels and other building projects in sixteen locations, across six separate States.