Several important issues emerge from the study. The first issue is the nature of the heritage as a share-contested heritage and a heritage of dissonance. It is a heritage that shares several contestations from several owners that claim the heritage. The second issue is the political implications of the heritage, both for Thailand as the residence for the heritage, or the bystander, and Japan as the perpetrator. The third is the characteristics of the heritage as a cross-cultural heritage, where different users from different backgrounds interact, exchange ideas, and add meanings and values to this heritage. The fourth is the nature of the heritage as an extra-territoriality; several nations have put a claim of ownership on it. The last issue is the commodification and commercialisation of this atrocity heritage which also involves the issue of heritage authenticity. As regards authenticity, a strong argument is made to challenge the thinking that its existence, or absence, affects the experiences of the tourists.