 A further puzzle is that it can be less clear what counts as a particular group’s intangible cultural property than it is in the case of material heritage. For instance, when a museum displays the cultural artifacts of a particular group, the cultural origins of the artifacts are often not controversial (though they of course can be): rather, controversy might surround ownership of the artifact predicated on a clear understanding of the culture of origin. In contrast, it can be relatively harder to trace the lineages of practices and stories, and superficial similarities in cultural traditions may lead to claims of intangible cultural property that are more difficult to justify (Brown 2005: 51).