Here you will find the links to the special categories on the site. In certain cases a photo may fall into two or more categories. For example, it can be a Helicopter with a Special Scheme applied to it and shot at night. In that case, it belongs to 3 categories: Helicopters, Special Schemes and Night Shots.
Please note that these are special categories and most photos do not meet the requirements for any category. To see those photos, please select the 'All Photos' link at the very end.