(b) Visual observation, video and still photography and multi-spectral imaging, including infrared measurements, at and below the surface, and from the air, to search for anomalies or artifacts;
(b) vizualno opazovanje, videosnemanje in fotografiranje ter multispektralno snemanje (vključno z infrardečimi meritvami) na površju in pod njim ter iz zraka za iskanje anomalij ali ostankov;