Apparatus comprising: at least one inspection system comprising: at least one primary radiation generator configured to generate primary electromagnetic radiation, said primary electromagnetic radiation being ionizing electromagnetic radiation, the primary radiation generator being configured to generate an inspection beam of the primary electromagnetic radiation for irradiation of one or more loads to be inspected by transmission of the inspection beam of the primary electromagnetic radiation through the one or more loads to inspect; and one or more primary detectors configured to detect radiation from the inspection beam of the primary electromagnetic radiation after interaction with the one or more loads, wherein the one or more primary detectors are configured to define a primary main direction of detection, wherein the primary radiation generator is further configured to generate primary electromagnetic radiation for irradiation of at least one secondary source of electromagnetic radiation, the at least one secondary source of electromagnetic radiation being configured to generate secondary electromagnetic radiation in response to being irradiated by the beam of the primary electromagnetic radiation and to emit the secondary electromagnetic radiation for inspection of one or more loads by transmission of the secondary electromagnetic radiation through the one or more loads; and one or more secondary detectors configured to detect radiation from the one or more loads after interaction with the secondary electromagnetic radiation; wherein the one or more secondary detectors of each of the at least one inspection system are configured to define a secondary main direction of detection, and wherein the primary main direction of detection and the secondary main direction of detection define an angle between them, the angle being different from zero. at least one inspection system comprising: at least one primary radiation generator configured to generate primary electromagnetic radiation, said primary electromagnetic radiation being ionizing electromagnetic radiation, the primary radiation generator being configured to generate an inspection beam of the primary electromagnetic radiation for irradiation of one or more loads to be inspected by transmission of the inspection beam of the primary electromagnetic radiation through the one or more loads to inspect; and one or more primary detectors configured to detect radiation from the inspection beam of the primary electromagnetic radiation after interaction with the one or more loads, wherein the one or more primary detectors are configured to define a primary main direction of detection, wherein the primary radiation generator is further configured to generate primary electromagnetic radiation for irradiation of at least one secondary source of electromagnetic radiation, the at least one secondary source of electromagnetic radiation being configured to generate secondary electromagnetic radiation in response to being irradiated by the beam of the primary electromagnetic radiation and to emit the secondary electromagnetic radiation for inspection of one or more loads by transmission of the secondary electromagnetic radiation through the one or more loads; and one or more secondary detectors configured to detect radiation from the one or more loads after interaction with the secondary electromagnetic radiation; at least one primary radiation generator configured to generate primary electromagnetic radiation, said primary electromagnetic radiation being ionizing electromagnetic radiation, the primary radiation generator being configured to generate an inspection beam of the primary electromagnetic radiation for irradiation of one or more loads to be inspected by transmission of the inspection beam of the primary electromagnetic radiation through the one or more loads to inspect; and one or more primary detectors configured to detect radiation from the inspection beam of the primary electromagnetic radiation after interaction with the one or more loads, wherein the one or more primary detectors are configured to define a primary main direction of detection, wherein the primary radiation generator is further configured to generate primary electromagnetic radiation for irradiation of at least one secondary source of electromagnetic radiation, the at least one secondary source of electromagnetic radiation being configured to generate secondary electromagnetic radiation in response to being irradiated by the beam of the primary electromagnetic radiation and to emit the secondary electromagnetic radiation for inspection of one or more loads by transmission of the secondary electromagnetic radiation through the one or more loads; and one or more secondary detectors configured to detect radiation from the one or more loads after interaction with the secondary electromagnetic radiation; wherein the one or more secondary detectors of each of the at least one inspection system are configured to define a secondary main direction of detection, and wherein the primary main direction of detection and the secondary main direction of detection define an angle between them, the angle being different from zero.