What characteristic is shared by "model" POW camps in terms of treatment and food availability?

"Model" POW camps are characterized by their comparatively humane treatment of prisoners and better provisions for food, among other resources. This distinct characteristic makes them an exception to the norm of POW treatment during conflicts, where many camps often have inadequate conditions. In contrast to typical camps, which may have severe shortages and poor treatment, model camps stand out because they prioritize the welfare of prisoners, following international guidelines and conventions, thus establishing a setting that promotes better living conditions. The notion of these camps being an exception highlights the unfortunate reality that many POWs face, where humane treatment is not standard but rather a rare occurrence in the broader context of wartime detention facilities.