#1 Click a blue, green, or orange cemetery icon for cemetery information.
#2 A pop-up will appear with information about the number of BillionGraves headstone images.
Blue means that no photos of gravestones have been taken at that cemetery yet.
Green means that some images have been taken at that cemetery. It can also mean that the cemetery is finished already.
Orange means someone has put a photo request in at that cemetery.