inside the building (even publicly accessible) it is necessary to have its owner freely take pictures can only take place in a publicly accessible area, ie outdoors (restrictions can be the protection of personal rights (on the contrary the law does not prohibit photography of military objects or works of art, events, however, to be photographed from a publicly accessible area - ie paid entrance to the summer cinema, open-air theater, open-air museum, etc., I already submit to the operating rules))